The pocket money of Jennifer is $1000 a month. The amounts that Jennifer spends on transport and food are $x and $y respectively. The amount that she spends on entertainment is twice that on food. The rest of the money is saved. (a) Write down the formula for the amount ($S) that Jennifer saves in a month.
(b) If x=300 and y=200, how much does she save in a month?

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.

Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8

Use pascal's triangle to find the missing values. x4 - 4xb + 6x2 - ax + 1