SOLUTION: 20 burgers can be bought for 900 how many can be bought for 1350
find ratio in each of the following 4:7=x:5 18:9=19x
9:x=24:88 x:12=42:63
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Question 696498: 20 burgers can be bought for 900 how many can be bought for 1350
find ratio in each of the following 4:7=x:5 18:9=19x
9:x=24:88 x:12=42:63
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
20/900=x/1350 cross multiply.
900x=20*1350
900x=27000
x=27000/900
x=30 burgers can be bought.
4:7=x:5
7x=4*5
7x=20
x=20/7 ans.
18:9=19:x
9x=18*19
9x=342
x=342/9
x=38 ans.
Ill leave the rest for you to practice with.
9:x=24:88
x:12=42:63
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