Answer:
3,588
Step by step:
7.5 × 24 × 20 = 3120
16.9 × 24 × 10 = 4056
4056 + 3120 ÷ 2 = 3,588
(4a^3b^4(b^3)(2b^3))/4b
4a^3b^3(b^2)(2b^2)/4
4 hours
Step-by-step explanation:
1+1=2
6-2=4