Hmm this seem rather complicated would you send me more details
Answer:
Rect Area= Lw
3D Rect Area= 2(wh+lw+lh)
Step-by-step explanation:
20% off means you paid only 80% of the original price.
0.8x=40
x=40÷0.8=50
so the original price is 50
Answer:
Are you 1 grade or what......
Answer:
140
Step-by-step explanation:
Substitute q = 5 and u = 7 into the expression
4qu
= 4 × 5 × 7 = 20 × 7 = 140
