7.39 persons can repair a road in 12 days working 5 hours a day in how many days will 30 persons working 6 hours a day complete a work

39 people : 12 days : 5 hours

//Find 1 person

1 person : 12 x 39 days : 5 hours

1 person : 468 days : 5 hours

//Find 30 people:

30 people : 468 ÷ 30 days : 5 hours

30 people : 15.6 days : 5 hours

//Find 1 hour:

30 people : 15.6 x 5 days : 1 hour

30 people : 78 days : 1 hour

//Find 6 hours:

30 people : 78 ÷ 6 days : 6 hours

30 people : 13 days : 6 hours

13 days

hey there!

if she's saving for six months, let's divide the total number we need for the trip by six, dividing it into the amount that needs to be saved for each month.

500 ÷ 6 =

she needs to save at least this amount each month, so we should use this symbol: ≥

let x be the amount she saves each month.

your final answer is x ≥

hope this !

146%

step-by-step explanation: