Round 8181 nearest hundred

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.