20 Alex and Chris share sweets in the ratio Alex : Chris = 7:3. Alex receives 20 more sweets than Chris.
Work out the number of sweets Chris receives.

When eating out, record the total cost of your meal (before tip) and the tip that you left. determine the percent of the cost of the meal that you left as a tip.

It takes a total of 6 hours to fill up an inground backyard pool using a standard house. a function can represent this situation to represent the amount of water in the pool until it is full a function of time the hose is running. determine the domain for the function

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9