Chapter 5, Problem 32AT

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8th Edition

Robert Brechner + 1 other

ISBN: 9781305585447

Textbook Problem

Use ratio and proportion to solve the following business situations.

Angela Hatcher is planting flower bulbs in her garden for this coming summer. She intends to plant 1 bulb for every 5 square inches of flower bed.

**a.** How many flower bulbs will she need for an area measuring 230 square inches?

**b.** If the price is $1.77 for every 2 bulbs, how much will she spend on the flower bulbs?

**(a)**

To determine

**To calculate:** The number of flower bulbs required to cover an area of

Explanation

**Given Information:**

For planting

**Formula used:**

To solve the proportional problem by using cross multiplication, follow the steps as mentioned below.

Step

Step2: Set the proportion in the ratio of

Step3: Multiply numerator of the left side ratio with the denominatior of right side ratio and place the product on one side of the equal sign.

Step4: Multiply denominatior of the left side ratio with the nominatior of right side ratio and place the product on other side of the equal sign.(step2 and step3 performing togeter is consider as cross multiplication)

Step5: Solve the unknown value.

**Calculation:**

Suppose that *X* be the number of flower bulbs required to cover an area of

Consider the area of

The proportion is “

Apply cross multiplication, this gives,

**(b)**

To determine

**To calculate:** The amount spent on flower bulbs to cover an area of

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