Question

12 in * 14 1/4 in * 10 1/2 in x 10 1/4

Answer 1

12• ( 14 + 1/4) • (10 + 1/2) • (10 + 1/4)

Use a (b + c) = ab + ac

= (12•14 + 12/4 ) • (10 (10+ 1/4) + 1/2(10 + 1/4) )

= (168+3) • ( 100 + 25 + 5 + 1/8 )

= (171)• (130 + 1/8 )

= (171)• ( 1041/8)

= 178011/8 = 22251.37