Jhon, mina and tim share out a bag of sweet at a ratio of 2: 5: 7. if there are 20 sweets in the bag how many sweets does each of them get.

Asap 25 pts + brainliest to right/best answer

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

Aiden buys two bags of chips at $1.09 each and a 20 ounce soda for $1.20 at the gas station.he knows that the state tax is 5.5. how much change will he receive from a $5 bill?