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Math

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The ratio of doughnuts to muffins to cookies left over after the school play was 1:3:6. There were 42 cookies. How many desserts were there altogether?

May 23, 2022

#1
+2448
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The ratio of total desserts to cookies is $$10: 6$$

We know that there are $$6 \times 7 = 42$$ cookies.

Now, we do the same thing to the desserts side.

Can you take it from here?

May 23, 2022
#2
+231
+2

doughnuts = x

muffins = 3x

6x = 42

x + 42/6 = 7

x = 7

3x = 3 * 7 = 21

6x = 42

Total dessert

= 7 + 21 + 42

= 70

May 23, 2022