Usain runs 5km in 30 minutes how many minutes does it take him to run 8km at the same speed​

Step-by-step explanation:

Usain runs 5km in --- 30 minutes

So, Usain takes 6 min to complete 1 km

So , to cover 8km he will take = 8 × 6min

= 48min

it happens during combustion and impacts the environment because the plants and trees take in that and it can cause them to die.

fa tha first one you gonna add y to both sides

it look like this

x-y+y=6+y

x=y+6

therefore your answer is

x =y+6

fa tha second one

you gonna flip tha equation

it gonna look like x-4y=y

then add 4 to both sides

it gonna look like tha

x-4 +4 =y +4

so therefore tha answer is x=y+4

step-by-step explanation: