If you don’t know we don’t either but ishebrhd
Answer:
they will need to win 18/20 matches
Step-by-step explanation:
if winning 9/10 matches gives them a winning percentage of 90% then you take 9/10 and multiple it by 2 since they played two times the matches of 10, then you get 18/20
Step-by-step explanation:
Im in the same boat. If you Uninstall and reinstall it you get more of the thingys to ask questions. (I learned that today)
Answer:
x+7=7-x or
=-(7-x)
x=3/2 is the only solution
{a+c=529
{1.75c+2.25a=1118.75
{9a+9c=4761
-
{7c+9a=4475
2c=286
c=143
a=529-143=386
There are 143 children and 386 adults used the public swimming pool.