The equation 2w + 5j = 60 is used to determine the number of water bottles w and the number of juice bottles j that can be bought for $60. If you purchase 4 bottles of juice, how many bottles of water can you buy?

Question

Mathematics

Santino Luna

22 September, 14:58

The equation 2w + 5j = 60 is used to determine the number of water bottles w and the number of juice bottles j that can be bought for $60. If you purchase 4 bottles of juice, how many bottles of water can you buy?

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Answers (2)

Know the Answer?

Sunshine · Answer 1

20 water bottles because 5*4=20 so 60-20=40 so you divide 40 by 2 to get 20

Andrew Weber · Answer 2

2w+5j=60

2w+5 (4) + 60

2w+20=60

subtract 20 from both sides

2w=40

divide 2 from both sides

w=20

check

2 (20) + 5 (4) = 60

40+20=60

60=60

so if j=4 then w=20