Answer:
$5.40
Step-by-step explanation:
First, figure out the cost of the items with tax; for Tommy we have 20*0.08 = 1.6, add that 1.6 to the 20 and his purchase is $21.6, for John we have 25*0.08 = 2, add 2 to his 25 and his purchase is $27. To find the difference we subtract 27-21.6 = 5.4 or $5.40

4 Packs of water and 7 Packs of candy bars.
So, we wanna know the smallest number that both 35 and 20 will go into.
Find the Least Common Multiple (LCM), but to find the LCM we need to find the prime factorization of each of the following number :-




~Now multiply all the numbers by 5 :-

This means she needs 140 bottles of water and 140 candybars.
Water is sold in packs of 35, this means that she needs :

Candy bars are sold in packs of 20, this means she needs :

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I wanna say it’s d because of the way it’s set up, i hope this helps if not i’m really really sorry
Answer: 7%
Step-by-step explanation: