What is the value of the following expression? open paren 4 fifths plus 3 fifths close paren plus 3 point 5 times 5
Answer
A
21 and 3 fourths
B
24 and 1 half
C
18 and 9 tenths
D
17 and 7 tenths
Explanation
First add the fractions: 4/5 + 3/5 = 7/5 = 1.4. Then multiply 3.5 × 5 = 17.5. Finally, 1.4 + 17.5 = 18.9, which is 18 and 9/10, so the correct choice is C.
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