Answer:
Step-by-step explanation:
ITS THE THRID ONE!
The GCF is 36 since 36 can go into 144 (:
x
1. Natasha invests £250 in a building society account. At the end of the year her account is
credited with 2% interest. How much interest had her £250 earned in the year?
Solution: Interest = 2% of £250
= 2/100 x £250
answer = £5
2. Alan invests £140 in an account that pays r% interest. After the first year he receives £4.20 interest. What is the value of r, the rate of interest?
r/100 x £140 = £4.20
r = 100 x 4.20 / 140
= 420/140
= 3%
So the interest rate is 3%
Answer:
20<
Step-by-step explanation:
The last one is a function. A rule for functions is that there can only be one x value or coordinate but there can be multiple y values or coordinates.
