Last one 7 and 3
9(7)+20(3)>120
63+ 60
123>120
Says 123 minutes is longer than 120 that's why it is that answer
Answer:
a) x = 70
Step-by-step explanation:
70 (2) +20 +20
140 + 40
180
Answer:
28.50+x or 28.50x
Step-by-step explanation:
6*4.75=28.50
6*x=6x or x
4y=-20+3x and 4y=13.6x-20
so
-20+3x=13.6x-20
3x=13.6x
3=13.6 so it is wrong and system doesn’t have solution
14 boxes per hour
60/5=12
12*3=36
60/6=10
10*5=50
50-36=14
