She spent $75
The best news of this problem is that the books all cost the same.
So 8 + 3 + 4 = 15 books total
15 x $5 = $75
The given histogram represents <span>the number of hamburgers students ate in a month :
</span>
From the histogram we can conclude the following:
(1) 8 students ate (0 - 4) hamburgers
(2) 3 students ate (5 - 9) <span>hamburgers </span>
(3) 2 students ate (10 - 14) <span>hamburgers
</span>
note: we don't know how many students ate exactly 5 hamburgers.
<span>So, the answer
</span>
The information which is provided in the histogram<span>
</span><span>
</span><span>The number of students who ate 10 hamburgers or more
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Answer: 
Work Shown:

This can be rewritten into 
jimmy had 4x2/3 tacos he didnt know how many he had so he asked his mom and jimmys mom said that he had to do the math and when he figured out the answer he got 2/3 x 4 = 8/3 in fraction form. 2/3 x 4 = 2.6667 in decimal form. and his mom was proud of him