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The ratio of boys to girls in a class is 4 : 5. There are 3 more girls than boys. Calculate the total number of stude…
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.
Tasnim records the temperature, in °C, at 6 a.m. every day for 10 days. -6 -3 0 -2 1 -7 -5 2 -1 -3
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…