0/ 99%4Gv m7:40ZONEGraph the following functions4f(x) =x - 115)16)f(x) 5Solve the system of linear equations by substitution— Зх — 5у %3D — 174х — у %3D —817)18)Solve the system of linear equations by elimination8x + 4y 04х — 2у 3D 219)Solve the system of linear equations by the method of your choice2х — 5у 3D 11Зх + у %3D 820)Solve the system of linear equations by the method of your choiceх+7у %3D 33x 9y 21Solve each application problem.An architect designed a rectangular pool for one of her clients. The length of the pool is 12feet longer than twice the width of the pool. The perimeter of the pool is 168 feet.Determine the length and the width of the pool.21)Two days to Sea World and three days at Islands of Adventure, both in Orlando, costs$323.90. Three days a Sea World and two days at Islands of Adventure costs $305.10. Howmuch does one day cost at each park?22)Kim the chemist needs 50 liters of a 26% acid solution. She wants to mix a 20% solution23)with a 36% solution. How much of the 20% solution and the 36% solution does she needto use to achieve her goal?=

Question
Asked Oct 15, 2019
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I don't know where I keep doing wrong on #22 

0/ 99%
4G
v m
7:40
ZONE
Graph the following functions
4
f(x) =x - 1
15)
16)
f(x) 5
Solve the system of linear equations by substitution
— Зх — 5у %3D — 17
4х — у %3D —8
17)
18)
Solve the system of linear equations by elimination
8x + 4y 0
4х — 2у 3D 2
19)
Solve the system of linear equations by the method of your choice
2х — 5у 3D 11
Зх + у %3D 8
20)
Solve the system of linear equations by the method of your choice
х+7у %3D 3
3x 9y 21
Solve each application problem.
An architect designed a rectangular pool for one of her clients. The length of the pool is 12
feet longer than twice the width of the pool. The perimeter of the pool is 168 feet.
Determine the length and the width of the pool.
21)
Two days to Sea World and three days at Islands of Adventure, both in Orlando, costs
$323.90. Three days a Sea World and two days at Islands of Adventure costs $305.10. How
much does one day cost at each park?
22)
Kim the chemist needs 50 liters of a 26% acid solution. She wants to mix a 20% solution
23)
with a 36% solution. How much of the 20% solution and the 36% solution does she need
to use to achieve her goal?
=
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0/ 99% 4G v m 7:40 ZONE Graph the following functions 4 f(x) =x - 1 15) 16) f(x) 5 Solve the system of linear equations by substitution — Зх — 5у %3D — 17 4х — у %3D —8 17) 18) Solve the system of linear equations by elimination 8x + 4y 0 4х — 2у 3D 2 19) Solve the system of linear equations by the method of your choice 2х — 5у 3D 11 Зх + у %3D 8 20) Solve the system of linear equations by the method of your choice х+7у %3D 3 3x 9y 21 Solve each application problem. An architect designed a rectangular pool for one of her clients. The length of the pool is 12 feet longer than twice the width of the pool. The perimeter of the pool is 168 feet. Determine the length and the width of the pool. 21) Two days to Sea World and three days at Islands of Adventure, both in Orlando, costs $323.90. Three days a Sea World and two days at Islands of Adventure costs $305.10. How much does one day cost at each park? 22) Kim the chemist needs 50 liters of a 26% acid solution. She wants to mix a 20% solution 23) with a 36% solution. How much of the 20% solution and the 36% solution does she need to use to achieve her goal? =

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Step 1

Let x be the cost of Sea World and y be the cost of Islands of Adventure.

From th...

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2x +3y 323.90 (1) Зх +2у %3305.10 (2)

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