1 in 10 is the probability of two people picking the same number.
X+y=31.5
x-y=5.25
add 2 equations
x+y+x-y=31.5+5.25
2x=36.75
x=18.375
y=31.5-18.375=13.125
check : 18.375+13.125=31.5, 18.375-13.125=5.25
so
Answer:
18.375 and 13.125
X=1.3
Hope this helps I not I’m truly sorry
Answer:
She bought 16
Step-by-step explanation:
0.72*16=11.52
The answer would be A, it has no solution