Answer:
Samantha worked 26 hours and Adriana worked 13 hours.
Step-by-step explanation:
Let s = the number of hours that Samantha worked
Let a = the number of hours that Adriana worked
s = 2a
s + a = 39
2a + a = 39
3a = 39
a = 13
Answer:
b.
821.9 cube meters
Step-by-step explanation:
Step-by-step explanation:
-4x+1+6-(-9x)
-4x+7-(-9x)
5x+7
45c/100=9.25=37/4
c=20 5/9 (185/9)
You can buy 23 salads because the group wants 12 instead of 15 15-12=3