ketabug50
10.01.2021 •
Mathematics
Of the teacups in Whitney's Tea Shop, 2/5 are purple and another 1/10 are white. What fraction of the teacups are either purple or white?
a. 3/10
b. 1/2
c. 5/15
d. 2/5
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Ответ:
2/5 is 4/10, and 1/10 makes 5/10, which is 1/2
Ответ:
The answer to your question is:
1st Diego
2nd Diego and Elena ( both 15 days)
Step-by-step explanation:
Data
Lin 54 pages 270-page book 3 days
Diego 100 pages 320 page 4 days
Elena 160 pages 480 page 5 days
Process
Lin
54 pages 3 days
270 page x
x = (270 x 3) / 54
x = 15 days
Diego
100 pages 4 days
320 x
x = (320 x 4) / 100
x = 12.8 days
Elena
160 pages 5 days
480 pages x
x = (480 x 5) / 160
x = 15 days