Answer:
Step-by-step explanation:
Volume is equal to
L×W×H
=(10×9×7)cm
=90×7
=630
3 packs equal the price of two, therefore 1.43•2= 2.86
and 6 packs equal the price of 4, so 2.86•2= 5.72
equivalent to 58/100
and 58%