Answer: 110 test were purchased
Step-by-step explanation:
Set P = number of packets of 10 test
Total cost = $30 + $11 x P = $151
$11xP = $151 - $30 = $121
P = $121/$11 = 11 packets were purchased
Test purchased = 11packets x 10 test/packet = 110 test were purchased
Answer: 110 test were purchased
<h3><em>Spymore</em></h3>
Answer:
-5(3x+4) = 25
-15x-20=25
-15x=25+20
-15x=45
>then divide both side by -15
Therefore: X=-3
4(x+2)-3(2x-4)=10
4x+8-6x+12=10
-2x+20=10
-2x=-10
> divide both sides by -2
Therefore: x= 5
Answer:
6
Step-by-step explanation:
2/3 * 6
= 4
