Use rounding to estimate the sum.

Estimate the sum.
78.9+71.2

Which fraction below is equivalent to 10/12?

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?