If you are dividing any number by a divisible of 10, you count the zeros and move the decimal that many spaces to the left. So with 100, there are 2 zeros, so 505. turns into 5.05.
Answer:
17 I think it's 17 considering the 45 went to 35
If you times 24 by 48 then you get 1,152. 3 times 24 is 72. You would then subtract 1,152 by 72 which equals 1,080 postcards left is what the shop has to sell.
my brain to small to comprehend such math
3 gallons are in 12 quarts. 4x3=12. 4 qts make 1 gallon
