exam Maths Puzzle Numerical Ability

how do you work out this problem:
-5a+y=54 ,solve for a

Read Solution (Total 0)

exam Other Question

The length of a rectangular sign is 3 feet longer than the width. If the sign has an area of 40 square feet for advertising, find its length and width.

Can someone show me how to do this?
a researcher orders a broth 40.2% glucose for her lab. However, she needs a stronger broth, one that is 50.1% glucose. She has 16.1 liters of 57% glucose broth in the stock room. How much 50.1% glucose broth can she make?