Alocal charity sponsors a 5k race to raise money . it receives $55 per race entry and 10,000 in donations, but it must spend $15 per race entry to cover the cost of the race. write and solve an inequality to determine the number of race entries the charity needs to raise at least 55,000.

let the number of race entries be x

55x+10,000-15x =55000

55x-15x=55000-10000

40x=45000

x = 500

It must receive 500 race entries.

Step-by-step explanation:

1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

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yes

step-by-step explanation:

so of course you want to start by plugging the 5 in which goes to 7(5)+3(5)=50 because 7*5=35 and 3*5=15 and then add them together, then plug in the 5 to the other equation as well 9(5)+5=50 because 9*5= 45 and then add 5 and so yes they are equivalent.