Abag contains 1p 2p and 5p coins .3/8 of the bag are 1p coins. there are as many 5p coins than 1p coins in the bag . there are 640 cois in total. work out the number of 2p coins in the bag

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

Alawn mower manufacturer incurs a total of 34,816 in overhead costs and 388 per lawn mower in production costs. how many lawn mowers were manufactured if the average cost of productions is 660

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?