In a bag there are 5 and 2 rupee coins. If they are equal in number and their worth is 70, then

Question

Fill in the blanks to make the statements true. 

In a bag there are 5 and 2 rupee coins. If they are equal in number and their worth is 70, then

(a) The worth of x coins of 5 each is _________

(b) The worth of x coins of each is ________

(c) The equation formed is ________

(d) There are ______ 5 rupee coins and ______ 2 rupee coins.

Answer 1

Let 2 rupee coins are x in numbers.

∴ 5 rupee coins also are x in numbers.

According to question, 2x + 5x = 70

⇒ 7x = 70

⇒ x = 70/7 = 10

(a) 5x

(b) 2x

(c) 2x + 5x = 70

(d) 10, 10