Answer:
26 cuts
Step-by-step explanation:
1. convert 42 feet into inches by multiplying by 12 (12 inches=1 foot)
42*12 = 504 inches
2. divide the total number of inches (504) by 20 (where Chad cuts)
504/20 = 25.2
Since Chad cannot make a partial cut (.2) round up to the next whole number - 26