SAT Questions of the Day - 3-3-20

Iman's grandmother's house is 5 miles west of her own house down Main Street. While at her grandmother's, Iman decides to ride her bike father west down Main Street at 10 miles per hour. Which equation best describes the distance, d, in miles, Iman is from her home after t hours?

• $d=5+10t$

• $d=5-10t$

• $d=5t+10$

• $d=5t-10$

Hiro spends $68 on ebooks and paperback books combined. Each ebook he buys cost $5 and each paperback book he buys cost $12. If hero buys x ebooks and y paper books, which of the following equations best models the situation.

• $5x+12y=68$

• $12x+5y=68$

• $17\left(x+y\right)=68$

• $17xy=68$

Tags

CCSS.HSA.CED.A.3

A construction company's fees include a flat daily charge to come to the work site, in addition to a constant hourly rate. Any fractional hours are charged at the fraction of the hourly rate. Additionally, if a job takes less than 10 hours to complete, it is completed in one day. According to these rules, a 3.5 hour job would cost $250 and an 8 hour job would cost $475. If the construction company completes a job in one day, which of the following functions best models the cost, c, in dollars, for an h our job?

• $c\left(h\right)=50h$

• $c\left(h\right)=60h$

• $c\left(h\right)=50h+75$

• $c\left(h\right)=60h+10$

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2