Answer:
60
Step-by-step explanation:
The answer is A because of the bar graph
Answer:
20c= 30(c-9)
Step-by-step explanation:
The first step in solving a word problem is always to organize the information you have, and put it into equations to solve.
Let c be the cost per student originally.
The cost of the bus has not changed, so the cost/student * the number of students has not changed:
The answer is A. 7.8 cm3. We know that 1 mm=0.1 cm. So 1 mm3=0.001 cm3. Then the 7800 mm3 equals to 7.8 cm3.