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primary 5 | Maths
| Fractions
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OMG please help me to get the answer I have so much homework to do!!!!!!
So cost of 15 drinks = 3/5 cost of 15 snacks
= 3/5 x 15
= 9 snacks
So cost of 12 snacks +15 drinks
= cost of 12 snacks + 9 snacks
= cost of 21 snacks
= $42
1 snack = $42 ÷ 21 = $2
1 drink = $2 x 3/5 = $1.20
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