PLEASE HELP FAST

Write an expression and solve it with the given values of the letters:

a

There are n apples in a box; this is 3 7 of all the fruits in it. How many fruits are there in the box? (n=21)

EXPRESSION? HOW MANY FRUITS IN BOX?

Write an expression and solve it with the given values of the letters:

b

There are x candies in a bag. 4 9 of all the candies are chocolates. How many candies which are not chocolates are in the bag? (x=36)

EXPRESSION? NON CHOCOLATE CANDY?

Expression: There are    fruits in the box

Numeric There are 49 fruits in the box

Explanation:

To get the expression, we need to write out all the details we were given by the question this includes the variables, and the quantities they represent.

Number of apples in the box = n

let the total number of fruits =  

we are given that

Hence, to get the total number of fruits in the box, we make x the subject of formula which is

If n = 21, we will have that

Hence, there are 49 fruits in the box