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Mathematics 8 Online
OpenStudy (thereisnousername):

PLEASE HELP W/ SAT PREP The recommended daily calcium intake for a 20-year-old is 1,000 milligrams (mg). One cup of milk contains 299 mg of calcium and one cup of juice contains 261 mg of calcium. Which of the following inequalities represents the possible number of cups of milk m and cups of juice j a 20-year-old could drink in a day to meet or exceed the recommended daily calcium intake from these drinks alone?

ganeshie8 (ganeshie8):

This should be too easy for you. How are you stuck on this?

OpenStudy (thereisnousername):

idk lol, I'm just unable to concentrate atm

ganeshie8 (ganeshie8):

The person has to drink sufficient amounts of milk and juice in order to meet the recommended intake of 1000 mg

ganeshie8 (ganeshie8):

Milk Juice

OpenStudy (sweetburger):

this questions from the blue book right?

OpenStudy (thereisnousername):

299/m+261/j>1000? and yea

ganeshie8 (ganeshie8):

How much calcium does a cup of milk have ?

OpenStudy (thereisnousername):

299 mg

ganeshie8 (ganeshie8):

So if you drink m cups of milk, you will get 299*m milligrams of calcium

ganeshie8 (ganeshie8):

You must multiply here, not divide.

OpenStudy (thereisnousername):

ohhhhhh, so 229m+261j(greater than or equal to)1,000

ganeshie8 (ganeshie8):

Perfect!

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