Mathematics: Henry had 3 times as many cds as roger. sandy has 9 more cds than henry. if roger has y cds, how many more cds does sandy have than roger. exsplain

Henry had 3 times as many cds as roger. sandy - id394426164, monsterking4549

angeisthe72

14.01.2022

Let H = Henry
Let R = Roger
Let S = Sandy

H = 3R -> H = 3y
S = 9 + H -> S = 9 + 3y
R = y
Sandy has 3y + 9 CDs more than Roger.

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icantspeakengles

14.01.2022

Let H = Henry

Let R = Roger

Let S = Sandy

H = 3R -> H = 3y

S = 9 + H -> S = 9 + 3y

R = y

Sandy has 3y + 9 CDs more than Roger.Step-by-step explanation:

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jaimes04

09.02.2020

£4.80

Step-by-step explanation:

Total amount = £3.20

Ratio = 2 : 3

Old : New = 2 : 3

3.20 : x = 2:3

$\frac{3.20}{x}=\frac{2}{3}\\\\3.20*3=2*x\\\\\frac{3.20*3}{2}=x\\\\x = 1.60 *3\\$

x = £ 4.80

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