Answer:
Step-by-step explanation:
a + c = 321
6a + 4c = 1590
c = 321 - a
6a + 1284 - 4a = 1590
2a = 306
a = 153
c = 168
Her got 60 pounds from North America
1/8
Step-by-step explanation: 2/8=1/4
0.95 miles/minute
Answer: 3.2 i think