7a/3a+3-5/4a-4=3a/2a+2

Arjun can type 40 words per minute. Dalia can type 55 words per minute. If Arjun and Dalia each type for 30 minutes, about how many more words will Dalia type?

X^2-4x+3=0 solutions larger and smaller solutions

Is 90 kg bigger than 90,000 mg

A piggy bank contains nickels and dimes. There are 160 total coins valuing $10.50. Think about a system of equations that can be used to represent the number of nickels and dimes and then think through using substitution to solve the system of

tammy is riding her bicycle. she rides for 27.5 kilometers at a speed of 11 kilometers per hr. how many hours does she ride?

Write a real world-situation for 7.50 y+9?

A printing service charges a set-up fee of $9.50 for each order and 20 cents more for each copy. The total cost, C (in dollars), for an order of x copies. What is the total cost for an order of 40 copies?

What is the expense of sodding a plot of ground 45 yards long and 95 feet wide with sods 15 inches by 14 inches? The sods when laid cost $15.00 per hundred. What is the expense?

What is y=-2x-6 and y=x+9

80 members decreased by 65% =