Write as an addition problem: 53 - (-53 )

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.