Question

Four times a number more than 45 equals seven times the number. Find the number

Answer 1

Answer :

The required number is 15

Step-by-step explanation :

Given :

Four times a number more than 45 equals seven times the number.

To find :

the number

Solution :

Let the number be A

➛ Four times a number = 4A

➛ Four times a number more than 45 = 4A + 45

➛ Seven times a number = 7A

 Equal it.

➙ 4A + 45 = 7A

➙ 7A - 4A = 45

➙ 3A = 45

➙  A = 45/3

➙  A = 15

Therefore, the required number is 15

Verification :

4(15) + 45 = 7(15)

60 + 45 = 105

 105 = 105

 LHS = RHS

Hence verified!