Plz me! i don't have any time : ( after this i got baseball, cheer practice , and swimming team

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

Hello people, i have a math question that i need with, me, i will give the correct one brainiest, and for the other correct people, a and 5 stars.

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package