20 divided (5 x 2/5) + 3

13

Step-by-step explanation:

20 ÷ (5 x 2/5) + 3

20 ÷ (2) + 3

10 + 3

13

13

Step-by-step explanation:

ok look at steps again...

5*2/5=2

20/2=10

10+3=13

Remeber...

Paranthesis

Exponets

Multilication

Divide

Add

Subtract

Hope this helps!

answer: what is the conflict?

step-by-step explanation:

*what has happened to new york city?

*what is in the time capsule?

* what did the kidz see that gave them hope?

*what will they do with what they find?

* how will they save the city?

* what challenges will they face along the way?

*what big choice will they make at the climax of the story?

* what lesson do they learn at the end of the story?

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.