Traci has a coupon for $2.50 off a box of name-brand cereal that normally costs
$12.78. The store-brand cereal costs
$10.98.
How much will Traci save if she uses her
coupon and buys the name-brand cereal
instead of the store-brand cereal?

i did it myself and i got 4.2 (b) hope its right

step-by-step explanation:

true !

step-by-step explanation:

answer: the answer is 100 x 12,500, which is 1,250,000.

step-by-step explanation: emily solved for a part when she should have solved for the whole.  

875,000 should be the numerator of the equivalent ratio.  

70 x 12,500 is 875,000.