Answer:
x=y+4
Step-by-step explanation:
bc you add four bc it's the opposite
The solution is 25% acid, which means 2.5 liters acid (10 x .25).
<span>you need that 2.5 liters to be 10%, or 1/10th the total. </span>
<span>the total would have to be 25 liters (2.5 x 10) so when you add to 10 to get 25 you get </span><span>15 liters. Hope I helped!</span>
Step-by-step explanation:
Answer in attached image...
hope it helps
15% of 1200 = 180
1200-180= 1020
to find the cost price use the discounted price and take it away from the original, then use the profit take away the discounted price.
1020-120=900
the cost price of the watch is Rs. 900