Question

There are 10 black balls. The numbers of ball is 2 more than twice the number of yellow ball how many balls are there

Answer 1

14

Step-by-step explanation:

No. of Black balls = 10

Let us assume-

Black Ball = y

Black Ball = yYellow ball = x

black ball = (2×yellow ball) +2

x = (2×y) + 2

10 = 2y + 2

10 - 2 = 2y

2y = 8

y = 8/2

y = 4

Yellow balls = 4

Black balls = 10

Total Balls = 10+4 = 14