Mathematics > 2012 PAPER I > 30
BECE/Junior WAEC
Use the table below to answer this question given that 2x + 5y = 25
| x | -2 | -1 | 0 | 1 | 2 | 3 |
| y | p | 5.4 | q | 4.6 | 4.2 | r |
Calculate the value of 2q - r
A.
1.2
B.
3.2
C.
3.1
D.
6.2
E.
7.2
Answer: D
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