Question

Sam bought a car valued at $7700. One year later the car’s value had decreased by 2/7. What is the new value of the car?

A. $2,200
B. $5,500
C. $9,900
D. $4,400

Answer 1

B

Explanation:

If the value is $7700

And is decreased by =2/7

$(2/7)*7700.

=$2*(7700/7)

=$2*1100

=$2200

so, new value of car=$(7700-2200) =$5500

Ta daa! $5500 is the new value of the car.

Answer 2

$5500 is the new value of the car.

Explanation:

actual value of car=$7700

fraction of value decreased=2/7

so, amount of car's value decreased=

$(2/7)*7700.

=$2*(7700/7)

=$2*1100

=$2200

so, new value of car=$(7700-2200) =$5500