Question

Yani buys a certain brand of cereal that costs $10 per box. Yani changes to a super-saving brand of the same size. The equation shows the price, y, as a function of the number of boxes, x, for the new brand.

y = 7x

Part A: How many more dollars is the price of a box of Yani's original brand of cereal than the price of a box of the super-saving cereal? Show your work.

Part B: How much money does Yani save each month with the change in cereal brand if he buys 5 cereal boxes each month? Show your work.

Answer 1

@jim_thompson5910 can you help with this also please?

Answer 2

how much does the other brand cost?

Answer 3

$7

Answer 4

correct

Answer 5

so it is $3?

Answer 6

yep

Answer 7

so that's part A

Answer 8

Part B: How much money does Yani save each month with the change in cereal brand if he buys 5 cereal boxes each month? Show your work.

Answer 9

3*5=15

Answer 10

$15

Answer 11

woops.5 each month so 15*5=75

Answer 12

each box she saves $3 (assuming she goes for the cheaper brand)

she buys 5 boxes

total savings = 3*5 = 15 dollars

Answer 13

so it is 15?

Answer 14

yes

Answer 15

ok thanks

Answer 16

np