exam Maths Puzzle Numerical Ability

Kay spends 250 min/wk exercising. Her ratio of time spent on aerobics to time spent on weight training is 3 to 2. How many minutes per week does she spend on aerobics? How many minutes per week does she spend on weight training

Read Solution (Total 0)

exam Other Question
The sales of a new model notebook computer are approximated by:
S(x)=6000-12000e-x/10, where x represents the number of months the computer has been on the market a Establish the Identity:


(tan(theta)-cot(theta)/tan(theta)+cot(theta))+1=2sin^2(theta)


Any help would be appreciated. I don't even know where to start.