sjjarvis4806
30.01.2020 •
Mathematics
You can buy 4 bottles of water from a vending machine for $7. at this rate, how many bottles of water can you buy for $28
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Ответ:
16 bottles
Step-by-step explanation:
We can write a ratio, dollars over bottles of water
7 28
=
4 x
Using cross products
7x = 4*28
Divide each side by 7
7x/7 = 4*28/7
x = 4 * 4
x = 16
Ответ:
I think it is 6.20 dolars
Step-by-step explanation: