Answer:
x+7
Step-by-step explanation:
Remove Parentheses
Collect like terms
Calculate
$20 because 10% of 40 is 10 and the price now is 40 so 2 years before would have been 20
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:
78.5 cm. cubed
Step-by-step explanation:
Answer:
y
Step-by-step explanation:
y needs to provide a number