Question

It takes Theo 45 minutes to plant 9 trees . How many trees can he plant in 3 hours?[SHOW WORK]

Answer 1

Answer:

36 trees

Step-by-step explanation:

9 trees can be planted in 45mins

1 tree can be planted in 45/9 mins = 5 mins

3 hours = 3×60 mins = 180 mins

so, the answer is = 180/5 = 36

Answer 2

3 hours = 60×3 = 180 Minutes

So,

In 45 minutes, Theo plants 9 trees

In 1 minute, Theo plants 9/45 trees

In 180 minutes , Theo plants:

$\frac{9 \times 180}{45} \\ = 9 \times 4 \\ = 36 \: trees$

Ans: Theo can plant 36 trees in 3 hours