Answer: He is not correct.
Steps:
Let x1 and x2 be the first and second number, respectively.

In words, if the second is 125%, or 5/4 of the first number (first equation),
then the first is 4/5 of the second, which is 0.8 or 80%.
Answer:
initial cost per issue=$2
after subscription cost per issue=$1.6.
Step-by-step explanation:
Initially , Mei subscribed $24 for 12 issues for a magazine .When Mei used a coupen then 3 free bonus issues added to her subcsription .Therefore we can see the coupon reduces the cost per issue of Mei's subscription. Before use of coupon the cost of each issue is $2 and after added 3 more issue of coupon then the cost per issue is $1.6
Answer: x2 + 12x
Step-by-step explanation:
The value of a=7 will make the equation true
Answer:yes 3x2=6
Step-by-step explanation: