Question

Exercise 13.2
1 Lynn picks three numbers and calls them a, a + 2 and a + 4.
a Find the difference between the largest and smallest numbers.
b The sum of the three numbers is 100. Write down an equation to show this.
c Solve your equation to find the value of a.
d Write down the values of the three numbers.

Answer 1

Answer:

a.the smallest no.is (a) and the largest is a+4

b. a+ a+2+a+4=100

c.a+a+2+a+4=100

3a+6=100

3a=100-6

3a=94

a=94/3

a=31.3333

d.a=31.33

a+2=31.33+2=33.33

a+4=31.33+4=35.33