Karlene is keeping track of her calcium intake for a nutrition challenge at school. So far, she
drank 1 cup of milk with breakfast and 1 cup with lunch. Each cup had 300 milligrams of
calcium. If her goal is to have 1 gram of calcium every day, how many more milligrams does
Karlene need?
milligrams

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

If rs 900 amounts to rs 1044 in 4 years, what sum will amount to 1368 in 3 1/2 years at the same rate