4.5= 4 1/2
4.5 = 9/2
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As a decimal fraction, yes.
r + 45 = 79Subtract 45 from each side:r = 34
45 + 47 = 92
0.065 is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its rational equivalent is 65/1000 which can be simplified. But simplification will mean that you lose information about the precision of the fraction.
In C: int pass_mark; pass_mark = 45; In C++: int pass_mark {45};