Maths Week Day 3

in News

Tuesday’s Solution


Lets take the number as x, when he multiplied it with 2 he got (2x); from which he subtracted 138 i.e. 2x – 138 and the answer is 102

<=> 2. x -138 = 102 We must solve this equation to find the thought number
2*x – 138 = 102 <=> 2x = 240 <=> x = 240/2

x = 120


Wednesday’s Puzzle


•One of the sides of a rectangle is 3cm shorter than the other one. Find the sides of the rectangle if we increase every side by 1cm, the surface area of the rectangle will be increased by 18cm2
More news
Search news


News Archive