book Maths Puzzle Numerical Ability

Please help me.
2) Use the geometric sequence of numbers 1, 3, 9, 27, � to find the following:
a) What is r, the ratio between 2 consecutive terms?
Answer:
Show work in th

Read Solution (Total 0)

book Other Question

in the formula c=sqrt of(2a squared+b squared). a=4 and b=5.my answer was 7.550? is this correct. A pharmacists needs to obtain a 70% alcohol solution. How many ounces of a 30% alcohol solution must be mixed with 40 ounces of an 80% alcohol solution to obtain a 70% alcohol solution?