Answer:
-2.9
Step-by-step explanation:
You are really subtracting. Note that if you have a positive & negative sign directly next to each other, you will subtract:
-1.2 + (-1.7) = -1.2 - 1.7 = -2.9
-2.9 is your answer.
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If there are 4 girls to every 9 students, then there are 5 boys to every girl, 9-4=5. So, there are more boys in the class.
Answer: to order 200 syringes. At a medical supply store, they charge $0.79 for each syringe. The same syringes from an online distributer cost $0.72 each plus $10.95 for shipping and handling. What would be the lowest cost to get 200 syringes? ... Their hourly rate is $19.52 per hour.
Step-by-step explanation: