Answer:
A's age = 6x = 6 × 5 = 30 years.
B's age = 5x = 5 × 5 = 25 years
Step-by-step explanation:
here's the solution : -
let their ages be 6x and 5x
and we know sum of their ages = 55
So, 6x + 5x = 55
=》11x = 55
=》x = 55 ÷ 11
=》x = 5
A's age = 6x = 6 × 5 = 30 years.
B's age = 5x = 5 × 5 = 25 years
Answer:
x = 81
Step-by-step explanation:
using the rule of logarithms
x = n ⇒ x = 
given
x = 4 , then
x =
= 81
Answer:
Step-by-step explanation:
So 1cm rep = 24 ÷ 2 = 12
So 3cm rep = 12 x 3 = 36
Answer:
38.5cm³
Step-by-step explanation:
1ml = 1cm³
38.5ml = 38.5cm³