5. this formula works out the tax you pay.
t = 0.3(e – 10 600)
t is the tax you pay in pounds.
e is the amount you earn in pounds.
alison pays £5200 tax.
work out the amount she earns.

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?

What expression is equivalent to (84+16)