The sum of a number and its multiplicative inverse is 5 times the number

The cost c, in dollars, for bananas depends on the weight w,in pounds, of the bananas. this situation is represented by the function rule c=0.5w (graph each function rule.tell whether the graph is continuous or discrete)

The ratio of two numbers is 5 to 4. the sum of the numbers is 99. what number is the greater of the two numbers?

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample