In a geometric sequence we know that b1+b2=28 and b3+b4=175 hown can we find b1 and b4?

b1+b2+b3+b4=203

Step-by-step explanation:

substitute any one and find the aanswer

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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