Answer:
27 pens
Explanation:
4×228=912
for 4 notebooks she spend $9.12
2400-912=1488
$14.88 left
1488÷055=27.05
Answer
she can buy 22 pens
.55n+2.85p>24
2.85(4)=11.4
24-11.4=12.6/.55=22
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