Answer: 1
Step-by-step explanation: Because it is
Answer:
They practiced a total of 75 math facts in all!
60 + 15 = 75 :D
Answer:
Step-by-step explanation:
t = tutoring and g = grocery store
t + g = 15......t = 15 - g
15t + 9g = 159
15(15 - g) + 9g = 159
225 - 15g + 9g = 159
-15g + 9g = 159 - 225
-6g = - 66
g = -66/-6
g = 11 <===== 11 hrs worked at the grocery store
t + g = 15
t + 11 = 15
t = 15 - 11
t = 4.....4 hrs tutoring
15-9= 6 the difference is 6 people. i hope this is what you were looking for.
No, it is not. Because it doesn't satisfy the first equation.
