Question

Assume that Mrs. Giang’s car travels 14 miles on each gallon of gas. If she travels to visit her niece who lives 133 miles away, how many gallons of gas will Mrs. Giang need to make the round trip?

Answer 1

Mrs. Giang need 19 gallons to make the round trip

Further explanation

Comparison is an effort to compare two or more objects in terms of shape or size, or number

Proportional Comparisons are comparisons of two or more numbers where one number increases, the other numbers also increase

 Can be formulated

$\frac {x1} {y1} = \frac {x2} {y2}$

 so that if:

 x = 2

 then

$y = \frac {y} {x} \times \: 2$

 While the reversal value comparison is the comparison of two or more numbers where one number increases, the other number decreases in value

 Can be formulated

$\frac {x1} {y2} = \frac {x2} {y1}$

so that if:

 x = 2

 then

$y = \frac {x} {y} \times \: 2$

Mrs. Giang’s car travels 14 miles on each gallon of gas.

So 1 gallon = 14 miles

she travels 133 miles away

so this is Proportional Comparisons

$\frac{1~gallons}{14~miles} =\frac{x~gallons}{133~miles}$

$x~gallons=\frac{1~gallons\times~133~miles}{14~miles}$

$\large{\boxed{\bold{x=9.5~gallons}}$

so to make the round trip, Mr Giang will need :

$=~9.5~+~9.5$

= 19 gallons

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Keywords: parade, street, area, crowd, comparison

Answer 2

Take the amount 14 MPG (miles per gallon)

Then take the number of miles to go (133 miles to go)

Divide, like so:

133/14
= 9.5