10 students of Elena's classmates like to make jewellery.
<u>Step-by-step explanation:</u>
Let total no.of classmates who liked the jewellery = x
Here, in the given problem, given she asked her classmates '20'. So, it clearly shows that total number of students/classmates = 20. Also, in that, 50% said like to make jewellery. Now find 'x' as below,



Hence, the total number of classmates who liked to make Jewellery = 10
Answer:
8 hours
Step-by-step explanation:
5 - 1 = 4 grams
10% of 5 = 0.5 grams per hour
4/0.5 = 8 hours
X=Juliana's age
r=Rich's age
(x+2)+(x*3)+5=R
You can solve it from there
Answer:
B
Step-by-step explanation:
Order from left to right by row
2
3
80
1
-40
1/6
240