5(d + 7)
multiply 5 to d, then to 7
5d + 35
C) More girls than boys prefer hamburgers over hotdogs.
Answer:
2/5
Step-by-step explanation:
40 students drive to school
40/100 drive to school
2/5
Answer:
(8 / x) + (21 / y)
Step-by-step explanation:
Given that:
Average driving speed = x mph
Miles driven to work = 8 mile
Miles by train to work = 21 miles
Average train speed = y
Total time taken to get to work. :
Recall : time taken = distance / speed
Hence,
Time taken =) total distance / average driving speed)
Total time taken = (8 / x) + (21 / y) hours
Total time taken = (8 / x) + (21 / y) hours