£2 is made up of 1 50p coin, 3 20p coins and the rest are 5p coins. What fraction of the coins are 5p coins written in the simplest form?

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

In the geometric progression –3, 12, −48… what term is 3,072?

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52