The number of students who picked football and rugby are in the ratio of 4:3 The number of students who picked rugby and tennis are in the ratio of 12:25 150 students picked tennis. Work out how many students picked football.

3x + 4y = 5 x- 3y = -7 solve by substitution

Afamily has two cars. the first car has a fuel efficiency of 25 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. during one particular week, the two cars went a combined total of 1025 miles, for a total gas consumption of 55 gallons. how many gallons were consumed by each of the two cars that week?

Which is the best estimate of the product of 0.9 x 0.88? 0 0.25 0.5 1