Answer:
first of all convert the hours to minutes
2/3×60=40
convert the seconds to minutes
540÷60=9
add the minutes
40+9=40
so he spent
90-40=50 more minutes in doing his homework.
Answer:
.66, 4/5, 84%, .86
Step-by-step explanation:
.66 is already in decimal form.
4/5 converted to decimal form is .8
84% in decimal form is .84
.86 is already in decimal form
- - Solve for "x"
Steps:
You need to simplify for both sides of your equation
Then add your "3x" to both of the sides of the problem
Now add 13 to both sides
and then final step is to divide both sides by "-1"
Final answer:
x= -16
Answer:
q=12
Step-by-step explanation:
-11=61-6q
-11-61 =-6q
-72=-6q
q=72/6
q=12
Answer:
4h + 100
Step-by-step explanation:
h = total number of hats
postcards = 2h
magnets = h + 100
Add them all together:
h + 2h + h + 100 = 4h +100
