3
lena has $150 saved for a car. she gets
a job to save even more money. she
earns $532 for four weeks' worth of work.
how much will she have saved in all after
working for 25 weeks?

How do you divide 9/4 divided by 10/3

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers