if 7 pens cost 4.20what is the cost of 3 pens
Answers
Answered by
17
cost of one pen be x
7 pens=4.20
1 pen=4.20
7
therefore 1 pen cost will be 0.6
so 3 pen cost will be 0.6*3=1.8
thus cost of 3 pens is 1.8
7 pens=4.20
1 pen=4.20
7
therefore 1 pen cost will be 0.6
so 3 pen cost will be 0.6*3=1.8
thus cost of 3 pens is 1.8
Answered by
6
hey mate ur ans
HERE UNITARY METHOD WILL BE USED
IF 7 PENS COST =4.20
1 PEN COST =4.20/7
3 PEN COST =4.20/7*3===1.8 ruppes
HOPe IT HELPS MARK AS brainliest and follow me
HERE UNITARY METHOD WILL BE USED
IF 7 PENS COST =4.20
1 PEN COST =4.20/7
3 PEN COST =4.20/7*3===1.8 ruppes
HOPe IT HELPS MARK AS brainliest and follow me
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