Answer:
1 is 1600
Step-by-step explanation:
Because 40 people and each person shakes each other hands so its 1600
Answer:
10$ I think
Step-by-step explanation:
2*30=60
90-60=30
30/3=10
Answer:
Must add 100 milliliters of water
Step-by-step explanation:
Let
x ----> milliliters of water to add
we know that
<em>Originally</em>
The milliliters of lemon concentrate is equal to the 10% of 100 mL
so

<em>Now</em>
The balance of lemon concentrate is equal to 5%
The milliliters of lemon concentrate is the same
so

solve for x


therefore
Must add 100 milliliters of water
The advantage is that they will be saving alot of money and they know that they will have it in 4 years. The disadvantage is that if they need some if the money before 4 yaers, they can't get it because the CD is for 4 years.