Express the following statements as a linear equation in two variables.(i)The cost of a pencil is £2 and one ball point pen costs £15 . Sheela pays £100 for the pencils and pens she purchased
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Express the following statements as a linear equation in two variables.(i)The cost of a pencil is £2 and one ball point pen costs £15 . Sheela pays £100 for the pencils and pens she purchased
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Answer:
2×a+15×a=100
Step-by-step explanation:
COST OF PENCIL= ₹2
COST OF BALL PEN=₹15
AMOUNT PAID BY SHEELA=₹100
LET THE NUMBER OF PENS AND PENCILS BE 'a'
LINEAR EQUATION=2×a+15×a=100
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