Answer:
3
Step-by-step explanation:
1, 1, 3, 4, 4, 5, 5, 5, 6, 7, 9
Median: 5
Lower quartile: 3
Upper quartile: 6
Interquartile range: 6 - 3 = 3
x + y = 100
5x + 2y = 35
95 nickels 19 dimes
d=dimes
5d=nickels
0.05(5d) + 0.10(d) = 6.65
0.25d + 0.10d = 6.65
0.35d=6.65
Divide by 0.35
d= 19 (19 coins)
19 dimes =$1.9
6.65-1.9= $4.75
Nickels=$4.75
4.75/0.05 = 95 coins
19*5=95
114 coins in total
19*0.10 = 1.9
95*0.05=4.74
4.75+1.9= 6.65
Reduction
Answer:9