51:29
Three consecutive integers have a sum of 30. Which equation can be used to find x, the value of the smallest of the three
numbers?
O (x+1)+(x+2) = 30
O x+(+1)+(x+2) = 30
Ox(x+ 1)(x+2) - 30
3x(x+1Xx+2) - 30
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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.