Given :
Tammy saved nickels and pennies in a jar the ration of nickels to pennies was 2 : 5 .
To Find :
If there where 70 nickels in the jar how many coins are there in all.
Solution :
Let, number of pennies are x.
It is given that ratio of nickels to pennies is 2 : 5.

So, numbers of pennies are 175.
Therefore, total number of coins in the jar is, 175 + 70 = 245 coins.
Answer:
20
Step-by-step explanation:
When we use Pythagorean Theorem we get x² + 21² = 29² which means x = 20.
-5+3=-2-3+3=-2
Hope this helps