<u><em>Answer:</em></u>
<u><em>y = 50</em></u>
<u><em>Step-by-step explanation:</em></u>
<u><em>Since 20 is even with 100, all we have to do is multiply both sides by 5.</em></u>
<u><em>(5 × 20%) × y = 10 × 5</em></u>
<u><em>y = 50</em></u>
<u><em>Please give me brainliest :)</em></u>
The answer is False a cylinder is not a prism because a cylinder has curved sides
Answer:
30(2+3)
Step-by-step explanation:
1) Find GCF of 60 and 90 (30)
2) Divide both by GCF
3) Put GCF in front of parentheses, then add quotients within the parentheses
Answer:
6kg pure copper and 30 kg 10% copper was mixed to give 36kg of 25% alloy
Step-by-step explanation:
Here, we want to produce 36 kg of 25% alloy
Let the Pure copper be x kg while 10% alloy be y kg
Pure copper is simply 100% copper
Thus;
x + y = 36 •••••(i)
Then;
100% of x + 10% of y = 25% of 36
= x + 0.1y = 9 •••••• ii)
From i x = 36-y
from ii, x = 9-0.1y
Equate both x
36-y = 9-0.1y
36-9 = 0.1y + y
0.9y = 27
y = 27/0.9
y = 30
x = 36-y
x = 36-30
x = 6 kg
