Step-by-step explanation:
1 min = 60 sec
Boxes both can fold per min = 30 + 20 = 50
No of boxes to fold = 200
Time taken in sec = 200 ÷ 50 = 4 min = 60 x 4 = 240 sec
Answer:(all negative) 14 13 12 11 10
Step-by-step explanation: sall good
Answer:
3
Step-by-step explanation:
Using the rule of radicals
×
⇔ 
Given

= 
=
× 
= 3
Answer:
3n = 3 - 3n
<=>
6n = 3
<=>
n = 2
=> This equation has one solution.