The distance, s = 40t₁ where t₁ is the time to complete the outward journey.
The same distance = vt₂ where t₂ is the time to complete the return journey at speed v.
For the whole journey, 2s=60(t₁+t₂). Therefore s=30(t₁+t₂)=40t₁=vt₂.
30t₁+30t₂=40t₁, 10t₁=30t₂, t₁=3t₂, so s=120t₂=vt₂ and v=120kph.

5 0

3 years ago

What would be the steps in solving 2b + 3b = 3?

sweet-ann [11.9K]

The answer is $b=\frac{3}{5}$ .

Let's solve your equation step-by-step.

2b+3b=3

Step 1: Simplify both sides of the equation.

2b+3b=3

(2b+3b)=3(Combine Like Terms)

5b=3

Step 2: Divide both sides by 5.

5b/5=3/5

So, the answer is $b=\frac{3}{5}$ .

4 0

3 years ago

Find the area of the shaded region.

JulijaS [17]

I’ve attached my work…
Hope it helps!

3 0

2 years ago