Urgently needing help!!!
posted by Victoria .
I have this on an assignment:
Estimate 16 20/30 x 28 3/7  4 13/25
+ 8 2/47 as a whole number or
as a mixed number where the
fractional part is 1/2.
A. 452
B. 480
C. 488
D. 492 1/2
I am trying to work this, and am
coming up with (D) 492 1/2.
Will you please see if I am right
and what you come up with?
Thank you so very much!
Your question should use parentheses to indicate the order of operations.
(a x b)  c is not the same as a x (bc)
None of your choices are very close, if the multiplication comes first. Let's use decimals to show that.
16 20/30 = 16.667
28 3/7 = 28.429
4 13/25 = 4.520
8 2/47 = 8.043
(16.667 x 28.429)  4.520  8.043 = 461.263
The choices of my answers are
452,480, 488, 492 1/2
Please help!!!
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