Answer:33:1
Step-by-step explanation: the are 121 math teachers and there are 33 science teachers so that is 121:33 divide both numbers by 33 which is their highest common multiple and the result is 33:1
Let x be the number of treats bought
Let y be the pounds of food bought
25= 2y+x
Given that she has buys 9 pounds of dog food:
25= 2(9)+x
25=18 +x
25-18 =x
7=x
With the money she has left over, she can buy 7 treats.
Hope I helped :)
Answer:
B
Step-by-step explanation:
Spirit has a fixed fee of 20 dollars and it charges 0.05 per minute so that would be 0.05x. The other one only charges 0.15 per minute so 0.15x.
So what we need to do is multiply 3 times 8, and then divide that by 4. So the answer is 6