Answer:
7.8cm
Step-by-step explanation:
1cm rep10km
Xcm rep78km
Cross multiply
10xcm=78*1
Xcm=78/10
X= 7.8cm
Answer:
6x + 3y
Step-by-step explanation:
Multiply 3 by 2x.
Multiply 3 by y.
This is known as the distributive law.
Answer:
that would be 3/4 my good sir
Step-by-step explanation:
1/2 = 2/4 + 1/4 = 3/4
Answer:
10 times greater
In the first number, 3 represents 30,000, but in the second number 3 represents 3,000 so 30,000 is 10 times greater