Answer:
8 hours
Step-by-step explanation:
5 - 1 = 4 grams
10% of 5 = 0.5 grams per hour
4/0.5 = 8 hours
I found this online I hope it helps a little if not, then sorry.
Or means not both
if people study both then the number of people studying either french or spanish is 7 less than the total number of peple studig french and spanish because thoe 7 are common to both groups
9+14=total=23
23-7=16 people studing either
proabblity=desiredoutcmes/totalpossibe
desired=16
total=30
so 16/30=8/15 is the probablity
Answer:
8100/8100
I think this the answer to your question.
Step-by-step explanation:
T : m
7 : 3
t + m = 600
7 + 3 = 10
7 × 60 : 3 × 60
42 : 180
texan = 42