When building the channel, the english and french each started drilling on opposite sides of the english channel. the two sections became one in 1990. the french used more advanced drilling machinery than the english. suppose the english could drill the channel in 6.2 years, and the french could drill in 5.8 years, how long would it have taken the two together?

Suppose the English could drill the Channel in 6.2 years, then they drill with speed km per year, where L is the length of the English Channel. If the French could drill in 5.8 years, then their speed of drillling is km per year.

Together their speed will be

.

If they drill together, they will spend

years.

it would have taken nearly 3 years.

step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )

deez nu tz

step-by-step explanation: