The value of a professional basketball player's autograph rose 20% in the last year. It is now worth $252.00. What was it worth a year ago?
2 answers:
*REVERSE THE CHANGE QUESTION* 100% + 20% = 120% = $252 252 / 120 = $2.10 = 1% 100% = 2.1 x 100 = $210
Answer:
The worth of the player a year ago = $210
Step-by-step explanation:
let the previous year worth be $ y
If we add 20% of y to y we will get the current year worth, which is $252 .
20/100 × y + y = 252
1/5y + y = 252
0.2y + y = 252
1.2y = 252
divide both sides by 1.2
y = 252/1.2
y = $210
The worth a year ago is $210
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