Advanced MathEasyEggs for cakes and glaze
Advanced Math practice question
A recipe uses a eggs for each cake and b eggs for the glaze that covers all the cakes. If a = 2 and b = 5, how many eggs are needed for 3 cakes with glaze?
Answer: 11
3a + b = 3(2) + 5 = 11.
Common wrong answers
- If you answered 7
- 7 is a + b, forgetting the three cakes.
- If you answered 17
- 17 uses 3b + a.
- If you answered 21
- 21 uses 3(a + b).
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