exam Maths Puzzle Numerical Ability

i need help with metric system measurements

Read Solution (Total 0)

exam Other Question

mp-4np+mq-4np
mx-2nx+my-2ny
3xr+3xs-yr-ys Can someone help me on this problem #8, on page 577?
In case you don't have the textbook, here is the question:
Between 1950 and 1997, did the production of motor vehicles incre