We can use 100s for ones place, 10s for tenth place and 1s for hundredth place.
Addition of 4 and 7 in the hundredth places will give 11.
Replace 10 blocks with 1 tens block.
Add this 1 to 5 and 3 which are in tens place. This will be 1+5+3 = 9.
Addition of 1 and 2 in ones places 3.
Hence, the answer is 3.91.
Answer:
Step-by-step explanation:
w = Henry's weight
e = Eric's weight
e = w - 12
