Big Dig Diamond Company pulverizes 156 tons of rock for every 2 ounces of diamonds it finds. How many tons of rock must it grind up in order to locate
20 ounces of diamonds?

Of the total number of spectators at a circus show, 1/4 are men. 2/5 of the remaining number of spectators are women. there are 132 women at the circus show. how many children are at the circus show?

Francesca had 32 cups of flour and she uses 3/8. how much flour did francesca use? write the equation.

How do you solve questions 29 and 31?