Answer is B. 48
By circle theorem, the angle at the centre of the circle is twice the angle at the circumference.
He has 30 gallons left
5/8 = 50/80
80-50=30
Take into account that commutative property is present for addition and multiplication operations, then, you have:
3+5=5+3 TRUE
3·5 = 5·3 TRUE
The inverse addition of a number consists in adding the same numbers but with opposite signs, then, you have:
2 + (-2) = 0 TRUE
Divide 25 by two and which is 12.5 then multiply that by 5 and you get you’re answer
