Gayle buys 8 biros for £3.

three of them are black.

the others are red.

each red biro costs 45p.

hat is the cost of one black biro?

steven earns extra money babysitting. He charges $31.25 for 5 hours and $50 for 8 hours, how much would Steven charge for 3 hours?

What is the minimum number of selections from the set { 1, 3, 5, 7, 9, 11, 13, 15 } that we need to guarantee that at least one pair of those numbers adds up to 16?

You have a litre bottle of water and you drink 400 millitres so how much water is left?

Use repeated subtraction to solve the division problem. 6 divide 36

Solve for x. x3=125 Enter your answer in the box. x =

Wide all along its perimeter. What is an expression for A portrait without its frame has a height 1.5 times its width w, in inches.

What is the mode of the following data values 87, 39, 31, 52, 31

A 2 column table with 7 rows. The first column, x, has the entries, negative 2, negative 1, 0, 1, 2, 3. The second column, f (x) has the entries, 3, 3, 3, 3, 3, 3. A 2 column table with 7 rows.

Joanna recorded the number of laps she swam during practice in one week. Freestyle 100 Breaststroke 50 Backstroke 60 Butterfly 25 What is the value of the breaststroke to butterfly ratio? [Type your answer as a fraction in simplest form.

9x divided by - 2x sqared