susan has a piggy bank with 32 coins in it, all dimes and quarters. She has been collecting state quarters and so far has no repeats. If the piggy bank has $6.20, how many more quarters does Susan need before she has a quarter from each of the 50 states?

26

Step-by-step explanation:

First, you need to find how many quarters there are. You can easily try to see the max amount of quarters you can fit. So, 24 quarters.

There are two dimes.

Susan needs 26 more quarters

since the airplane is moving with constant speed then the distance travelled can be calculated by x=u*t

in km/h would be:

x=640*3.5=2.240 km

in m/s would be:

u=640 km/h= 640.000 m/h =640.000/ 3600 m/s =177.8 m/s

t= 3.5 h= 3.5 * 3600 s=12.600 s

then x=u*t= 177.8*12.600= 2.240.280 m

351.23

step-by-step explanation: