Sam opened a money-market account that pays 2% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $280 in interest. how long did he keep his account open?
a. 2 years
b. 5 years
c. 3 years
d. 4 years

2 years. He kept his account open for 2 years.

segment bisector

step-by-step explanation:

line segment bisector. definition: a line, ray or segment which cuts another line segment into two equal parts. try this drag one of the orange dots at a or b and note the the line ab always divides the line pq into two equal parts.

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