Answer:
50.6
Step-by-step explanation:
it says 7 students traveled by car so you need to take 7 from 311, then divide your answer (304) by 6, which is 50.6
Download an app called photo math its should help thats what i use
Answer:
even
Step-by-step explanation:
Answer: 8 years
Step-by-step explanation:
1 year: 27,000
2 years:24,000
3 years:21,000
4 years:18,000
5 years: 15,000
6 years:12,000
7 years:9,000
8 years:9,000
So
Jon's age=j
mary age=m
m+j=27
m+2 times j=40
m+2j=40
M+j=27
ssubtract j from both sides
m=27-j
subsitute 27-j for m
27-j+2j=40
27+j=40
subtract 27 fromboth sdies
j=13
subsitue
13+m=27
subtract 13
m=14
mary=14
john=13
