3/5 of a number is 162. what is the number?

SOLVING ALGEBRAICALLY3/5 of "a number" = 3/5 of "x"3/5 of x is equivalent to (3x)/5(3x)/5 = 162Move the "5" to the other side by multiplying:3x = (162x5) = 810We now have 3x = 810.To get 1 lot of x and find the number, divide both sides by 3x = 810/3 = 270.270

FJ

Related Maths GCSE answers

All answers ▸

Find the inverse of f(x) = 7x+4


There are 2 banks, Bank A and Bank B. Bank A provides compound interest of 1.3%. Bank B provides interest of 3.5% for the first year and then 0.7% for each extra year. James wants to invest £250. Which bank provides the most interest after 4 years?


Expand 2x(x-3)


Write an algebraic expression to show the area of a square with side length x+4