Abag holds 28 blue marbles and 49 red marbles. what is the ratio of red marbles to the total number of marbles in the bag?

a) 7 to 11
b) 7 to 4
c) 4 to 7
d) 4 to 11

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up