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 .

onefifth of the plants in a garden are grape tomato plants Twoninths of the plants in the garden are cherry tomato plants The garden has 18 grape tomato plants class=