Matt bought some boards to build a wooden deck. Some of the boards were 4 ft long and some of the boards were 5 ft long. He boug ht 35 ft of boards altogether. How many boards altogether did Matt buy?
2 answers:
Answer: 8 boards
Step-by-step explanation: 3 x 5 = 15
4 x 5 = 20
20 + 15 = 35
Answer:
8 boards.
Step-by-step explanation:
Since he bought a few of each length. The only combination that works is when he bought 5 of the 4 ft long board so 4×5=20. Than he bought 3 of the 5ft boards 3×5=15. 20+15=35 ft worth of boards.
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