Answer:
it is because 20 + 20 is 40 and then 40 - 20 = 20
yes I am not I can always count on me and I can always count on
(Exponential decay) hope it helps:)
Their speed of separation will be equal to the sum of their speeds because they are in opposite directions.
Speed of separation = 40 + 50 = 90 miles per hour
Time = distance / speed
Time = 405 / 90
Time = 4.5 hours
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1/7 de catorce es dos, ahora Miriam tiene doce dólares restantes. 5/8 de 12 es 7.5, luego todos juntos, Miriam gastó nueve dólares.
