Alex’s sink was leaking, he put a cup under the leak and 1 1/2 hours later the cup was filled 1/4 of the way. How much would be filled in an hour

11/8 or 1.375

Step-by-step explanation:

if their asking you would take the 11/2 and divided it by 1/4  then you get 1.375 but in a fraction form it would be 11/8

i hope this helps

investment b is an ordinary annuity with $3,909.64 in the account after one year.

step-by-step explanation:

6 adults and 9 children went.

a + c = 15

12a + 9c = 153

12(6) + 9(9) = 153

72 + 81 = 153