plz tell the question no 9
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plz tell the question no 9
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Answer:
360packs in 40min
in 1min =360/40
9 pcs
then in 4 hr
60*4*9
2160
1pcs in 40/360min
1200pcs=40/360*1200
400/3min
Step-by-step explanation:
1.
given 360 packets in ---- 40/60hr
360pac -----2/3hr
so packets in 4hr
360pac -----2/3hr
x pac ------4hr
(360 x 4 ×3)/2
360 ×6
2160 pacs
2.
1200 pac --- xhr
360pac -----2/3hr
(1200 ×2/3 )/360
800/360
80/36
40/18
20/9hr