He bikes 4/10 of a mile in 1/5 of an hour
That is 4/10 miles in 1/5 hours
Average speed = Distance/ time = 4/10 ÷ 1/5 = 4/10 × 5/1 = 2 miles/hour
81 apple trees
542 apples per tree
81 x 542 = 43,902 green apples
<span>[2×(10+5)]-5
[2*15]-5
30-5
25</span>
This question is unclear, I don't understand and it doesn't ask the question.
