Question

Tavon has a gift card for $145 that loses $3.50 for each 30-day period it is not used. He has another gift card for $125 that loses $3 for each 30-day period it is not used.

a. Write and solve an equation for the number of 30-day periods until the value of the gift cards will be equal.
b. What will the value of each card be when they have equal value?

Answer 1

Answer: I think it's 20?

Explanation:

Answer 2

we have problem A done

Card A- 145-3.50x

Card B- 125-3x

Solve for X

145-3.50x=125-3x

145-125=3.50x-3x
20=.5x

Divide by .5

X=40

plug in 40 to x so

Card A 145-3.50(40)

Card B 125-3(40)

You will get $5

Problem 2 is done.