Answer:
Step-by-step explanation:
has to sweep 4/6
already swept 3/6
it needs to sweep 1/6 because
4 / 6-3 / 6 = 1/6
Since they are fractions with the same denominator, you place the same denominator and subtract the numerators.
#5 is 96 because it is congruent to the one on top
40% of 250 is 250 × 40/100 = 25 × 4 = 10
The answer should be 4. Take note of the pattern of unit digits of 2^n.
2^1 = 2
2^2 = 4
2^3 = 8
2^4 = 16
2^5 = 32
Every 4 powers, it rotates 2, 8, 6, 4. Since 2020 is divisible by 4, the answer is 4.
3(x-5)=1+(5x+2x)
3x-15=1+7x
-15=1+7x-3x
-15=1+4x
-15-1=1+4x-1
-16=4x
-16/4=4x/4
-4=x
