exam Maths Puzzle Numerical Ability

The cost for a long distance telephone call is $0.36 for the first minute and $0.21 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person could talk without exceeding $3.

Read Solution (Total 0)

exam Other Question

Hopeless need help!
express with only positive exponents??????????
a)
x^2-2x-15/x^2-x-6 divide x^2-5x/x^2-4

b)
6/x-1 subtract x+2/x

c)
(x+3)^2-2(x+1)

d)
{3y^2z/x^ Let x represent the number and then write an expression for the product:

The square of 5 more than a number