C I'm pretty sure , it says I need more words so I'm just gonna keep typing
Answer:
C
Step-by-step explanation:
hope this helps.
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>
<span> 16ft long shadow of a building when the building true height is</span> 40 ft
1 ft long shadow of a building when the building true height is <span>40/16 ft
</span>2 ft long shadow of a person when the building true height is <span>(40x2)/16 = 5ft (ans)
</span>