Question

Please help me. Show working. I will like you answer if it’s correct

Answer 1

Answer:

Ans1. 75 kg

Step-by-step explanation:

Given,

Her mass before drinking coca cola is 100 kg

The ratio of her mass =6:8

Let the her mass be 6x and 8x

Her first mass,

8x=100 (8x is her first mass then it must be

equal to 100 kg)

x=12.5

Her new mass

6x (x is equal to 12.5)

6*12.5=75

Then her new mass is 75 kg

Answer 2

ANSWER..

(14) PRESENT MASS = 100kg

DEIT RATIO = 6:8

So

NEW WEIGHT = (6/8) × 100

= 75 Kg

(15). Invest =RM800

Time = 8 years

Rate = X% per Year

Total Amount = RM1086.46

Interest = RM1086.46 - 800 = 286.46

286.46= (RM800 × R × 8) / 100

R = 4.47%