The answer will be
40-50d
D. works because if you work it out that means 2n=140 and then divide by 2 which means n=70 and the other number is 71
There is 3 variables, the painters, walls and time. The problem is we need to know how many painters are needed. We know that increasing the walls will give us more painters. In this case, you need to divide the variable walls with time since it reversed so: 27walls / 9 minutesIt equal to: 3 walls/minute
Information provided is:3 painters= 3 walls/3 minutesEqual to : 3 paintes= 1 wall/minute
To make it 3 walls/minute, the painter needed will be:(3 walls/minute) / (1 wall/minute) x 3 painters= 9 painters
Answer is 9 painters
Answer:
I don't understand this question, try rephrasing
Answer:
y = -12/(4d - 7d)
Step-by-step explanation:
Step 1: Write equation
4dy + 12 = 7dy
Step 2: Solve for <em>y</em>
<u>Subtract 7dy on both sides:</u> 4dy + 12 - 7dy = 0
<u>Subtract 12 on both sides:</u> 4dy - 7dy = -12
<u>Factor out y:</u> y(4d - 7d) = -12
<u>Divide both sides by 4d - 7d:</u> y = -12/(4d - 7d)
