Answer:
B
Step-by-step explanation:
100% is unknown 100:20 is 5
8,000*5=40,00
(7/8)*(9/10)=7*9/(8*10)=63/80
8 x ¾ is the same as adding ¾ + ¾ + ¾ + ¾ + ¾
because, when you are adding 3/4
8 times, you are 3/4 plus itself,
eight times,
so you are doing 3/4*8
Answer:
C
Step-by-step explanation:
I did the test
To find the size of the scale, we must divide its size by 20 (because the scale is 1:20). Doing that we get 150/20=7.5m=750cm. Hope this helps!