Question

A multivitamin tablet contains 10.5mg of calcium. How much calcium does a bottle of 60 have in grams

Answer 1

630 mg or 0.63 grams.

Explanation:

1 tablet contains 10.5 mg

60 tablets contain x

1/60 = 10.5/x Cross multiply

x*1 = 60*10.5

x = 630 mg

x = 630 mg *(1 gram / 1000 mg) = 0.63 grams.