Answer:
The father is 40 and the son is 4.
Step-by-step explanation:
40 + 5 = 45.
4 +5=9.
45 divided by 5 = 9
Divide vat by price
40/400 = 0.1
Multiply by 100
0.1 x 100 = 10%
Rate of vat is 10%
Answer: t 26
remember: tan(theta) = opposite/adjacent
