Monday 15 January 2018

INEQUALITIES 4


When 7 is subtracted from twice a certain number, the result is greater than 39. Find the number.

Solution

Let the number be w.

2w – 7 > 39

2w > 39 + 7

2w > 46

2w > 46
2        2

w > 23 answer

TRY THIS…………………………… 



When 30 is subtracted from thrice a certain number, the result is greater than 51. Find the number.

No comments:

Post a Comment