Well you separate it into different stacks
D=rt
r=(boatrate+riverrate)=(x+2)mph
d=528ft=528/5280mi=1/10mi
t=1/3hr
remember to keep the same units
so
1/10=(x+2)(1/3)
times both sides by 3
3/10=x+2
minus 2 or 20/10
-17/10=x
-1.7=x
it would be going -1.7mph (means going backwards)
Answer: she has spent $60 dollars and she has 180 more to go
Step-by-step explanation:
Answer:
3.77
Step-by-step explanation:
Do 13.85-9.08 and
u get 3.77