Question

The average weight of 9 mangoes increases by 20 grams. If one of them weighing 120 grams is replaced by another. The weight of the new mango in gm is

Answer 1

Answer:

Weight of New Mango = 300 gm

Step-by-step explanation:

The average weight of 9 mangoes increases by 20 grams. If one of them weighing 120 grams is replaced by another. The weight of the new mango in gm is

Let say average wt of 9 Mangoes = x gm

weight of 9 Mangoes = 9 x  gm

Let say weight of mango which was replaced by 120gm mango = M gm

New weight of 9 Mangoes = 9x + M - 120 gm

New Average = x + 20 gm

9 (x + 20) = 9x + M - 120

=> 9x + 180 = 9x + M - 120

=> M = 300 gm

Weight of New Mango = 300 gm

Answer 2

Answer:

m=300g is your answer ok dear