Problema Solution
1. In 1984, John was 24yrs old and his father 45yrs. In what year was John exactly half his father's age?
2. A boy bought some pencils for #60.00. If he had paid #1 less for each pencil, he could have bought 5 more pencils. How many pencils did he pay for?
Answer provided by our tutors
Q1) In 1981 John exactly half his father's age.
Let n = year which john's age is half of his father age
(45+n)=(24+n)*2
45+n=48+2n
n=-3
1984-3=1981
Ans = In 1981
Q2) He pay for 295 pencils
let X is the number of pencils which the boy bought
X*60=(X+5)*59
60x=59x+295
x=295
Ans = 295