Sara's mother has bought 90 lollipops and 105 pencils for goody bags for sara's birthday. what is the largest number of goody bags that sara's mother can make so that each goody bag has the same number of lollipops and the same number of pencils?

What percent of 18 is 24? and plz explain thx.

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

7+(3n++8) what is the answer to this?