The cost price of a crate of 180 apples cost rm 81. the greengrocer threw away the bad
ones and sold the remaining at rm0.90 each. he made a profit of rm45.how many
apples were bad?

With finding limits of multi variable !

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)

David is standing on the sixth rung of a ladder while painting his house. which expressions represent a change in david’s position of 2 rungs on the ladder? choose exactly two answers that are correct. a. 6+2 b. 6-2 c. 2x6 d. 6/2