Question

12 mangoes weigh 3060 grams. What will be the weight of 20 mangoes

Answer 1

Answer:

Use unitary method

12 mangoes ---------> 3060

1 mango --------> 3060/5=255

20 mangoes -----------> 255 x 20 = 5100grams or 51 kg

Answer 2

Answer:

weight of 12 mangoes = 3060

weight of 1 mangoe = 3060÷22=255

then, weight of 30 mangoes = 255×20=5,100