Answer:
154.8-155.6
Step-by-step explanation:
155.2-.4=154.8 or maybe its more in that case the most it could be is 155.2+.4=155.6
ax+by=20
a represents how many first items you bought
x represents the cost of the first item
b represents how many second items you bought
y represents the cost of the second item
It is 27 you add 10 and 27 which equals 27.
