Students in a maths test can score 0, 1, 2 or 3 marks in each of 6 questions. if there is one way of scoring 18 and 6 ways of scoring 17, how many ways are there of scoring 16?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.

Which expression and diagram represent “renee biked four times as far this month as last month”?

Write the percent as a fraction or mixed number in simplest form. 0.8%