Answer:
15.625
Step-by-step explanation:
old number = 288
new number = 243
percent decrease = (old - new / new ) * 100
= (288 - 243 / 288) * 100
= 45 / 288 * 100
= 15.625
-29
I got this by doing:
-4 + 54 = -58 ÷ 2 = -29
I hope this helps you
8/4=8/4=18/9=2
Side - Side - Side
4x=542