68 ft²
Step-by-step explanation:
6 × 10 = 60 ft²
2 × 4 = 8 ft²
Total: 60 + 8 = 68 ft²
1/4 and 8/3 because:
the reciprocal if 4 is 1/4 because 4 is used as 4/1 and the opposite of that is 1/4. the opposite of 3/8 is 8/3 so that is the answer.