Define the unit in word form and complete the sequence of problems. a) 25 x 12 = 12 b) 19 x 15 = 19 Think: 10 + 2 Think: 20 - 1 = (10 x ) + (2 x )= (20 x )- (1 x )= + = - = =

answer: 1,380

step-by-step explanation:

1: you turn %15 into a decimal by moving the decimal point two places to the left.

2: and then you multiply .15 by 1,200 , which will get you 180.00

3: from there you will add 180 to 1,200

4: which will get you 1,380

hope it *im kind of slow so idk if my answer is right*

answer: 8 years

step-by-step explanation:

the explanation is that in 8 years the child will be 20 and in 8 years the father will be 40 and 20 is half of 40.

i think its a.

hope this