Answer:
4/10, 6/15, 8/20, and 10/25
Step-by-step explanation:
Hope this helps. :)
Answer:
$57

Step-by-step explanation:
Given that:
Earnings per hour for washing cars = $9
Earnings per hour for walking dogs = $6
Number of hours for which car washing is done = 
Number of hours taken for walking dogs = 
Earnings for
hours for washing cars = Per hour earnings multiplied by number of hours = $9
Earnings for
hours for walking dogs = Per hour earnings multiplied by number of hours = $6
Total earnings by both = $(
)
Now, given that
Number of hours spent washing cars = 5 hours
Number of hours spent walking dogs = 2 hours
Therefore, total earnings by both = 9
5 + 6
2 = <em>$57</em>
Answer:
105/5 i believe
Step-by-step explanation:
Answer:
One mole of lithium (Li) is equal to 6.022 X 1023 atoms of lithium.