Question

The value of a professor basketball players autograph rose 30% in the las year.It is now worth $286.00. What was it worth a year ago

A. $210.00
B. $230.00
C. $200.00
D. $220.00

Answer 1

$220 dollars

Explanation:

a = p * w (the percentage formula)

subsitute. It rose by 30 % since last year so you're going to put 1.30 (30% -> 0.30 then add 1)

286 = 1.30 * w

solve.

w = 220