Convert 7/8 and 4/5 into common denominators using 40; 28/40 and 32/40, multiply those to get 22.4. Divide 7 by 20 to get 0.35. Divide 22.4 by 0.35 for an end quotient of 64.
Answer:
i think a
Step-by-step explanation:
a
42 = (3•t) + (30)
42=12 + 30
42=42
T=4