Answer:
5D-2
Step-by-step explanation:
5 times d = 5d. subtract 2 is after the 5d
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.
4x(3+2)-6x1= 14 is the answer
Large boxes are 40 pounds.
Small boxes are 30 pounds.
Let me know if you need the work!