Question

Sia weighs 4.5 kg more than Ratima. If their total weight is 140 kg, find Sia's weight.

please friends answer this question with the equation I know the answer but I don't know the equation answer is 84 kg but I don't know how did 84 kg came. please help me I will mark the brainest​

Answer 1

Hey mate hope it helps you...

Let Ratima 's weight be x , Sia's will be x + 4.5

x + x + 4.5 = 140

2x = 135.5

x = 67.75

Therefore sia 's weight is 67.75 + 4.5 = 72.25 Kg