Which ratio correctly compares 15 m to 45 cm?

a. 10 : 3

b. 100 : 3

c. 1 : 3

d. 1 : 300

In a two-digit number the tens' digit is 1 more than the units' digit. The number itself is 6 times the sum of the digits. Find the number.

Manuel ordered a set of purple and red pins. He received 40 pounds is 70% of them were purple. How many purple pins did Manuel receive?

Karma was given some birthday money, she put the money in an account. Every month after that she deposits the same amount of money.

Felix is making red icing to decorate gingerbread men for his school's winter bake sale. After experimenting with small amounts of red dye and icing, he finds that 3 drops of red dye mixed with 4 tablespoons of icing looks best.

The slope of the graph of a direct variation function is 4. What is the equation of the function? y = x y = 4x + 1 y = - 4x y = 4x

Make a real world problem with - 3.5<-1.5

An outdoor spa (hot tub) draws 1487 watts to keep the water warm. If the utility company charges $0.13 per kilowatt-hour, how much does it cost to operate the spa for four months during the winter (24 hours per day) ? Assume each month has 30 days.

Rachel has $18.20 deducted from her paycheck every month for insurance. After 6.25 months, how much money has been deducted from Rachel's checks? O - $11.38 CO - $18.20 -$113.75 -$1,137.5

What is the approximate area, in square feet, of a circle with a diameter of 6 feet?

Daniel has 6 teaspoons of salt. The ratio of teaspoons to tablespoons is 3:1. How many tablespoons of salt does Daniel have?