A piece of wire measures 18 cm. What is the measure of 3 such pieces of wire?
50 cm
52 cm
54 cm
56 cm
Length of one piece of wire = 18 cm Therefore, the length of 3 such pieces of wire is given by 18 cm x 3 = 54 cm.
A solid rectangular piece of iron measures 6 m by 6 cm by 2 cm. Find the weight of this piece, if 1 cm3 of iron weighs 8 gm.
A solid rectangular piece of iron measures 1.05in×70cm×1.5cm. Find the weight of this piece in kilograms if 1cm3 of iron weighs 8 grams.