Problem 1 · 2019 Math Kangaroo
Easy
Arithmetic & Operations
order-of-operationsgrouping
20 × 19 + 20 + 19 = ?
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Answer: D — 419
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Hint 1 of 2
Compute the product first, then add the two extra terms.
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Hint 2 of 2
Notice 20 + 19 = 39, so the total is 380 + 39.
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Approach: evaluate the expression directly
- 20 × 19 = 380.
- Add the remaining 20 + 19 = 39.
- 380 + 39 = 419.
Mark:
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