165k views
5 votes
A car gets 25 miles per gallon.

How many gallons of gas are needed for the car to
go 180 miles?

2 Answers

4 votes

Answer:

X=7.2

Explanation:

25/1=180x

Answer:

x = 7.2

Solution by Cross Multiplication

For the equation

251=180x

The cross product is

25×x=1×180

Solving for x

x=1×18025

and reducing

x=7.2

Solution by Proportion

Since the equation is an equality

If

180 ÷ 25 = 7.2

Then it is true that

x ÷ 1 = 7.2

Solving for x

x = 1 × 7.2

x = 7.2

User Chamakits
by
8.1k points
2 votes

Answer:

7.2

Explanation:

182÷25=7.2

so say about 7

User Dleavitt
by
8.1k points

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