Michael and alexandra left their home at 8: 00am to drive to new york. michael drove at 55 miles an hour and arrived at 5: 00 pm. alexandra drpvw at 45 miles an hour and arrived at the same place as michael. at what time did alexandra arrive?

l.jnl.j/n.m,lm,

step-by-step explanation:

the inequality is:

250c+180g≥950

step-by-step explanation:

let c denotes the number of days in a week   miyoko worked as a cryptographer.

and g denotes the number of days in a week she works as a geologist.

now we are given that she earns $250 for every day she works as a cryptographer,and earns $180 for every day she works as a geologist.

now miyoko's goal is to earn more than $950 this week.

hence, the inequality could be represented as:

250c+180g≥950

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step-by-step explanation:

step-by-step explanation:

what grade level is this? need to know so i can look in my old textbooks!