exam Maths Puzzle Numerical Ability

5x/7-2x/5=6/35 These are fractions 5x, 2x, 6 are all the numerator...

Read Solution (Total 0)

exam Other Question

Simplify completely: 3^x(3^(x+4))(5^2x)(25^x)/ (1/3)^x I think the correct answer is 3^(x+4)(5^4x) ?????????? a lady started a chain letter by writing to 4 friends and requesting them to copy the letter and send it to four other friends. if the chain was unbroken until the 5th set of letters were mailed, how much was spent for postage at $8 per letter?