Sara invests $240 in an account that pays 3% per year simple interest. She leaves the money in the account for 5 years. Work out how much money Sara has at the end of 5 years.

By writing each number correct to one significant figure, estimate the value of (28.6 + 47.7) / (0.47 x 21.4).

Write 8/25 as a decimal.

One morning the temperature was 5°C. By the evening the temperature had dropped 9°C. Write down the temperature in th…

The cost of a mirror is directly proportional to the square of its width. A mirror of width 40 cm costs $24. Work out…

A café sells hot drinks. On Monday it sells 80 teas, 60 coffees and 40 hot chocolates. On Tuesday it sells 70 teas, 9…

f(x) = 2 - 3x Find