15/60 simplified is 1/4 so the answer is 25%
665 + 473 = 1,138 students.
1,138 ÷ 45 = 25.28888888888889
Estimated answer: 26 buses
Each bike has two tires, while each quad has four tires. Therefore the number of tires Ruby has to other is given by the number of tires used by the bikes added by the number of tires used by the quads. This is shown on the expression below:
The answers would be A D and E because if you were to flip them onto each other they would be the exact same