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There are 12 boys and 15 girls in a class.
One boy and one girl will be selected to represent the class on the student
council.
Work out the total number of ways of choosing a boy and a girl.
(2 marks)

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

Anature center offer 2 guided walks. the morning walk is 2/3 miles. the evening walk is 3/6 mile. which is shorter

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?