Question

どんちっちｱｼﾞ('-' 鯵)зIB生@⚡︎な病民

この問題と答えの意味がわかりません😭
3/40とかどこから出てきたんですか？
解説お願いします🙇‍♀️

@ Fnd In VdIUC ONIMMOOSSMR

2 The weckiy income お/ of a salesDerson Varies
depending on their total WeekIy sales E9. The
charf aongside shows the relationship between

7 and め.
a Find the gradient and /-intercept of the
jne, and explain what these Values mean.

b Find fhe equation of fhe Iine.

c Find he salesperson's weekly income
3400 in sales are made.

a The gradient iS  ニ ー 0.075, which means that the weekly

income of a salesperson increases by お0.075 for eachpound

increase in sales that week.
The 7-intercept is 50, which means that the Weekly income
of a salesperson is 50 before any sales are made.

b 7=0.075S十50     c 305
agニー#z十4  b z十3?ー12三0

Answer 1

✨ ベストアンサー ✨

ゲスト

グラフは、週単位での売上に対する給料を表す。
a 直線の傾きと切片を求め、グラフの意味を示せ。
b 直線の式を求めよ。
c ￡3400の売上の時の、収入を求めよ。

直線は(0,50), (2000, 200) を通るので、傾きは(200-50)/(2000-0)=150/2000=3/40。