There are 75% more basketball then football at Modell's Sports Store. If there is a total of 220 basketballs and footballs combined in the store, how many are basketball?

192 basketballs and 28 footballs

Step-by-step explanation:

lets take "b" as the number of basketballs and "f" as # of footballs

so b+f=220

first we need to find what 75% of 220 is:

0.75*220=165

there are 165 more basketballs

hence b-165=f

since we got what f is equal to we can substitute it into first equation:

b+(b-165)=220

b+b-165=220

2b-165=220

2b=385

b=192

hence 192+f=220

f=28

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)