Jean writes five tests and achieves the marks shown on the graph. What is her average mark on these five tests?
(A) 74
(D) 64
(B) 76
(E) 79
(C) 70

![](https://cdn.mathpix.com/cropped/2024_04_20_46ead6524a8d61e21c51g-104.jpg?height=501&width=577&top_left_y=888&top_left_x=1251)
Jean writes five tests and achieves the marks shown on the graph. What is her average mark on these five tests?
(A) 74
(B) 76
(C) 70
(D) 64
(E) 79

![](https://cdn.mathpix.com/cropped/2024_04_20_748fdafcde2a47412608g-457.jpg?height=496&width=572&top_left_y=1628&top_left_x=1281)

Solution

Jean's average is $\frac{80+70+60+90+80}{5}=\frac{380}{5}=76$.

ANSWER: (B)