Superman needs to save Lois from the clutches of Lex Luthor. It takes Superman 15 seconds to get to Lois who is 750 feet away. What is Superman's rate?

Q: Conner is 156 miles away from Brayden. They are traveling towards each other. If Brayden travels 9…

A:

Q: The bakers at Healthy Bakery can make 320 bagels in 10 hours. How many bagels can they bake in 22…

A:

Q: A diver was 5 feet below sea level. He dove deeper at a rate of 5 3/8 feet per minute. What was the…

A: Given:-initial position of diver=5 feet below sea level.The rate of change of the divers…

Q: bill can shovel the snow from the walk in 45 minutes. When Carol helps him, they can shovel th walk…

A:

Q: A pilot flew a jet from Montreal to Los Angeles, a distance of 2500 mi. On the return trip, the…

A: Let the speed from Montreal to Los Angeles is x miles/hr. Return speed is 20% faster than x.

Q: Airport B is 400 miles from airpot A at N30E. A pilot accidently flies East 200 miles per hour for…

A: To find the destination after his error.

Q: Jane is 2 mi offshore in a boat and wishes to reach a coastal village 6 mi down a straight shoreline…

A:

Q: Mrs. Jackson traveled to a city 390 miles from his home to attend a meeting. Due to car trouble his…

A:

Q: a car left xanadu at 6:45 h and arrived in zenoland at 7:05 h. it travelled at an average speed of…

A: Given that  a car left xanadu at 6:45 h and arrived in zenoland at 7:05 h. it travelled at an…

Q: Marcos sells snow cones in the summer, He uses a cone with a radius of 1,5 inches and a height of 5…

A:

Q: A truck gets 600/x miles per gallon when driven at a constant speed of x mph, where 40 < x <…

A: It can go 600/x miles in 1 gallon. And cost  of 1 gallon is 2.80.So cost for (600/x) miles =…

Q: A diver was 5 feet below sea level. He dove deeper at a rate of 5 3/8 feet per minute. What was the…

A:

Q: Devontre rode his bike uphill 5 miles and then back downhill. The rate at which Devontre traveled…

A: Let his uphill rate is = x mph So his downhill rate is = x+20  Distance= 5 miles in each case.

Q: Haileys plane climbed 4,500 feet in 90 seconds.How fast did her plane climb every second?

A:

Q: a student jogs 1 mi at a rate of 8mph and jogs back at a rate of 6 mph. Does it seem reasonable that…

A: A student jogs 1 mi at a rate of 8mph and jogs back at a rate of 6 mph. Does it seem reasonable that…

Q: John drove for 3 hours at a rate of 50 miles per hour and for 2 hours at 60 miles per hour. What was…

A: Total distance travelled is,

Q: Jane spent 2 hours exploring a mountain with a dirt bike. When she rode the 40 miles uphill, she…

A: Let,  x be the jane's speed along the summit. jane's speed when she rode uphill is  (x- 5)mph To…

Q: A jet plane traveling at 600 mph overtakes a propeller-driven plane which has had a 2 hour head…

A:

Q: A woman cycles 8 mi/h faster than she runs. Every morning she cycles 4 mi and runs 2.5mi, for a…

A: Given:Let x be a running speedLet x+8  be a cycling speedTravel time=distancespeed

Q: A giant tortoise can travel 0.12 miles in 1 hour. At this rate, how long would it take the tortaise…

A:

Q: A laptop uses 20 watts of electricity per hour when operating, At  10 cents per kilowatt hour, how…

A: Electricity consumption by laptop = 20 watt per hour total operating time = 5 hour So, total…

Q: Markham started driving at 8 am. By noon he had traveled 164 miles. What was his average speed in…

A:

Q: In the logging camps many years ago, horses were used to pull logs out of the woods rather than…

A: Given problem is :

Q: ariel travels 400 miles in 8 hours what is her rate of change or speed

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Q: Liana was 10 miles from home at 2 pm and 70 miles from home at 3:30 pm. What was her average rate of…

A:

Q: Ana runs 3/4 mile in 6 minutes. Assuming she runs at a constant rate, what is her speed, in miles…

A: Ana runs 3/4 mile in 6 minutes. Assuming she runs at a constant rate, what is her speed, in miles…

Q: A 22-inch candle burns down in 11 hours. At what rate does the candle burn, in inches per hour?

A: Given a  234-inch candle burns down in 11 hours. We have to find the rate at which the candle burns,…

Q: An accident investigator measured the skid marks of one of the vehicles involved in an accident. The…

A:

Q: A camel can drink 15 gallons of water in 10 minutes. At this​ rate, how much water can the camel…

A: Given:

Q: Elmer drove 196 km in 2 4/5 hour what was his average speed?

A:

Q: Sam left his house heading east and his brother left two hours later heading west at a rate 5 mph…

A: Let Sam's speed be x . First we formulate and equation in x by using the given data an then solve…

Q: A rack climber starts at an e ation 630 feet abowe sea level and descends to a point 180 feet lower…

A:

Q: A jet plane traveling at 570 mph overtakes a propeller-driven plane that has had a 2 h head start.…

A: Let x miles from the starting point does the jet overtake the propeller-driven plane.  We will use…

Q: Sally drove 500 mi. in 10hrs. Find her average speed using d = rt.

A: Sally drove = 500 miles Time taken = 10 hrs

Q: As Nancy walks away from a 700 cm lamppost, the tip of her shadow moves 40% faster than she does.…

A: Height of lamppost = 700 cm Tip of her shadow moves 40% faster than she does.

Q: A laptop computer consumes about 20 watts of electricity per hour when operating. At $.10 per…

A:

Q: Karina is 5 miles to the east of Franco, and she starts walking northward at 3 mph. After 30 mins,…

A: for simplicity consider Franco is steady and Karina move 3+4=7mph to North. distance between them is…

Q: If a lion can run at 30mph for 48 meters, how long can it maintain its top speed?

A: Given:A lion can run at 30mph for 48 meters.The formula relating the speed, distance and time is…

Q: sarah drives 55 mi/h for h hours. which shows the nmber of miles that sarah drove?

A: Speed at which Sara drove is 55 mi/h Time for which Sara drove is h hours.

Q: Hagrid is 3 mi offshore in a boat transporting some first years to Hogwarts, whichis located 6 mi…

A: Let x is the distance from the point on the shortest nearest Hagrid’s boat to the landed point.…

Q: A person drives for 200 kilometres at a speed of 30 k.p.h. He drives another 200 kilometres at a…

A: Given that - A person drives for 200 kilometres at a speed of 30 k.p.h. He drives another 200…

Q: Mr. Joy drove 60 miles from city A to the city B at 40 mph. He then drove back to City A at a higher…

A:

Q: A cattle train left Miami and traveled toward New York . 14 hours later a diesel train left…

A: A cattle train left Miami and traveled toward New York . 14 hours later a diesel train left…

Q: Leila made $276 for 12 hours of work at the same rate how many hours would she have to work to make…

A:

Q: A 5 foot tall woman walks at 8 feet per second toward a streetlight that is 20 feet above the…

A: Let's draw the sketch for the given scenario:                                           Hence in…

Q: A car traveling at 48 mph overtakes a cyclist who, riding at 12 mph, has hada 3 hour head start. How…

A: Ler x miles from the starting point the car overtakes the cyclist. We will use the formula: time…

Q: A builder sells an 1,800 ft2 home for $117,000. What would be the price (in dollars) of a 2,600 ft2…

A: A builder sells an 1,800 ft2 home for $117,000. To find the price (in dollars) of a 2,600 ft2 home…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.