If the 3

If the temperature of a city drops 2° everyday and increases by 3° on every 5 days, how long does it take to drop to -15° from temperature +5°?

Correct answer:

n =  20 d

Step-by-step explanation:

t2=+5 t1=15 Δ=t2t1=5(15)=20  n=Δ+32=20+32=20 d

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