he increase from 125cm to 135cm
first step :

second step :
percents he change is

Any unknown number in an equation you represent with a variable
Answer:
The amount is $275 more that the cash price of $725.
Step-by-step explanation:
It is given that John makes a down payment of $160 and pays $35 a month for 24 months.
Down payment = $160
Total amount of installments = $35 × 24 = $840
Total amount of product = Down payment + Total amount of installments
Total amount of product = $160 + $840 = $1000
Cash price = $725
Difference between credit and cash price is
Difference = $1000 - $725 = $275
Therefore the amount is $275 more that the cash price of $725.
i think this is your answer: 12.0 and 12.5
She paid $35 and part b is it would've been $32