Answer: 61 people have worked on this worksheet so far.
Step-by-step explanation:
Given: 80% people try to do this ratio and proportion worksheet find they need some help with the problems.
Let x be the total number of people worked on this worksheet so far.
People need some help with the problems. =80% of x = 0.80x
As per given,
0.80x=49

Hence, 61 people have worked on this worksheet so far.
Twice a increased by the cube of a equals b :
2a + a^3 = b
Answer
Step-by-step explanation:
Okay so add 276 two times, then divide that answer by 400.
I got 200 from a octagon with the diameter of 10
Answer:
Step-by-step explanation:
Given that:
Number of books, b α number of children enrolled
b α C
b = kC
Number of books, b = 3 for each child, c = 1 enrolled
Total number of books in class room :
Total number of books = Number of books per child * Number of child)
Total number of books = 3 * Numbe of child