Answer:
4 and 9 hundreths
Step-by-step explanation:
Since 5 + 9 is 14 you can use ANY expression that has the same final value/ sum
60 minus 20
6 minus 2 is 4
so
60 minus 20 is 40
therefore your answer is 40
20
This is because
2x+(6x+20)=180
8x+20=180
8x=160
8x/8=160/8
X=20