One-fifth of the plants in a garden are grape tomato plants . two-ninths of the plants in the garden are cherry tomato plants. the garden has 18 grape tomato plants and 20 cherry tomato plants . how many other plants are in the garden ? explain .

1/5x=18 1/5×x/1=18 X/5=18 X=18×5 X=90  90-(18+20)= 90-38= 52 other plants

There are 52 other plants are in the garden.

Step-by-step explanation:

Number of grape tomato plants in garden = 18

Number of cheery tomato plants in garden = 20

Number of other plants = x

Total plants in the garden = P

Fraction of grape tomato in garden=

P = 90

P = 90 = 18 + 20 +x

x = 52

There are 52 other plants are in the garden.