Question

weight of an apple is 120 grams and weight of one orange is 40 grams .you have 6400 grams of fruits. you have same number of apples and orange. how many apples do you have?

Answer 1

Answer:

Step-by-step explanation:

1) let thee no. of apples be "X"gm

2) as we know, no. of apples = no. of orange, so no. of oranges= "x"gm

3) total weight of apples + total weight of oranges = total weight of fruits

=) 120x + 40x = 6400

=) 160x = 6400

=) x= 6400/160

=) x= 40

.:. no of apples = "x" gm

                          = 40gm

Answer 2

Answer:

Number of apples = 40

Step-by-step explanation:

Given:

Weight of an apple = 120 grams

Weight of an orange = 40 grams

Total weight of fruits = 6400 grams

Find:

Number of apples = ?

Solution:

Given that, the number of apples and oranges are the same.

Let the number of apples = number of oranges = $x$

Given that, the weight of an apple = 120 grams

∴ Weight of $x$ apples = $120x$ grams

Given that, the weight of an orange = 40 grams

∴ Weight of $x$ oranges = $40x$ grams

We know that,

Total weight of fruits = Weight of $x$ apples + Weight of $x$ oranges

⇒ $6400 = 120x+40x$

⇒ $6400=160x$

⇒ $x=\frac{6400}{160}$

⇒ $x=40$

Therefore, number of apples = number of oranges = 40

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