Answer:
B
Step-by-step explanation:
it shows every 4 hours, so:
560-336=224
224:4=56 per hour
A) 25% of males preferred playing sports.
Explanation) .25 is the same is 25%.
B) 25% of the people surveyed preferred reading a book.
Explanation) You have to add up how many males and females rather
to read a book. It's .10 + .15 = 25%.
C) 70 females were surveyed out of 200 people.
Explanation) Add up .15 + .5 + .15 to get .35. Put .35 multiplied by 200 to get 70.
This means that it is 8x-28=15+x. We let x equal the number. You can solve for the equation.
You would divide 228/12 = 19 per class.
Answer:
d=7
Step-by-step explanation:
1.5d-2.25d = 3-8.25
-0.75d= -8.25
d=7
