Question

If 3/4 ton of pebbles covers 4/5 of a garden, how many tons of pebbles are required to cover the entire garden?

Answer 1

4 units - 3/4
1 unit - (3/4)÷4
5 units - 15/16

Answer 2

(3/4) / (4/5) = x/1
cross multiply
4/5x = 3/4
x = 3/4 * 5/4
x = 15/16 tons cover whole garden