18+5= n
n= 23
D. 23
15+5=20 so u just gotta add 5 to 18
Answer:
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Step-by-step explanation:
1
Add 1111 to both sides
5x\ge 31+115x≥31+11
2
Simplify 31+1131+11 to 4242
5x\ge 425x≥42
3
Divide both sides by 55
x\ge \frac{42}{5}x≥542
The sold 45 digital cameras. So 45 out of 72. So you have to 8x9=72 and then 5x9=45 Then the answer would be 45!
