Good evening ,
______
Answer:
it needs 160 minutes =2hours and 40 minutes
___________________
Step-by-step explanation:
4kg=4000g
4000/500 = 8
Then the time needed is :
20×8= 160 minutes =2hours and 40 minutes.
:)
Answer:
1/2
Step-by-step explanation:
The unit fraction for an area (or anything, for that matter) divided into n equal parts is 1/n. For 2 equal parts, it is 1/2.
I think the scale of the factor of area is 2
<h3><u>25</u> ( <u>13</u><u> </u> - <u>3</u><u>)</u></h3><h3> 6 ( 3 2)</h3>
<u>25</u><u> </u><u> </u>( <u>39 -9)</u>
6 (6)
<u>2</u><u>5</u><u> </u> × <u>30</u>
6 6
<u>125</u>
6
20 <u> 5</u><u> </u><u> </u> [ans]
6