7 1/2 x 3 1/5 =A21 1/10B10 1/7C22D24Answer: D. 24 Read Explanation: 712×315=7 \frac{1}{2} \times 3 \frac{1}{5}=721×351=712=7×2+12=1527 \frac{1}{2} = \frac{7 \times 2 + 1}{2}= \frac{15}{2}721=27×2+1=215315=3×5+15=1653 \frac{1}{5} = \frac{3 \times 5 + 1}{5}= \frac{16}{5}351=53×5+1=516=24= 24=24 Read more in App