70t + 80t = 600
150t = 600 Simplify
t = 4 Divide
70(4) + 80(4) = 600 Check
4 hours
The total distance must be greater than 80. She has already ridden 18 miles. And she will continue to ride m miles per day for at least 6 more days, so:
6m+18>80
More "work"...
distance>80
distance=18+6m
6m+18>80
Step-by-step explanation:
9.16 × 10^4= 91600 is the standard form
Answer:
C. n x 2 = t
Step-by-step explanation:
All of the products are double the input