Tanya has a certain amount of money in her savings account. Each month, for 6 months, she deposits $50 less than her original savings amount. After 6 months, she has a total of $750 in the account. How much money did she have in the account when she began adding money to it?

the answer is d

step-by-step explanation:

0.16 or 16%

step-by-step explanation:

lets take a coin for example.

if you toss it twice, it has a 1/4 chance of landing on heads both times because 1/2 * 1/2 is 1/4.

with the cards, the chance of picking dog is 0.4. having two people pick one is like picking a card twice in a row. so 0.4 * 0.4 is 0.16, or 16%