book Maths Puzzle Numerical Ability

solve the equation for c: 6c squared minus c minus 12 equals 0

Read Solution (Total 0)

book Other Question

It rains for 40 hours, x hours at 40 ml per hour and x hours at 20 mil per hour. How long did it rain at each rate if the total rain amount is 1,100 ml?

Thank you!
Two multiplied bythree to the third power equals 58 wiht no grouping symbols how do you get an answer of 4374 or 279,936 using grouping symboles?Otherwise known as parenthasis or