pls help me on this question quickly for a lot of points!!!!!
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1. User Answers msm555
all expression represent how much Judith spent.
Answer:
Question:
Judith's grandmother paid her x dollars a week to mow the lawn during the summer. Judith decided to save some of her money and spend the rest. For the first 4 weeks, Judith put $10 per week into savings. For the next 8 weeks, she put $15 per week into savings.
Solution given:
Judith's grandmother paid her x dollars a week
it means Judith's income per week is x.
Judith decided to save some of her money and spend the rest.
For the first 4 weeks, Judith put $10 per week into savings.
it mathematical expression it is expressed as:
4(x$10)
again
For the next 8 weeks, she put $15 per week into savings.
it mathematical expression it is expressed as:
8(x$15)
now,
Judith's have
4(x$10)+8(x$15) it represent 1st expression.
solving above equation
(4x$40)+(8x$120) represents 4t h expression.
(4x+8x)($40+$120) represents 2nd expression.
12x$160 represents 3rd expression.

2. User Answers Anonym
Answer:
[tex]{ \rm{• \:4(x  10) + 8(x  15)}} \\ \\ {• \: \rm{(4x  40) + (8x  120)}}[/tex]
• (4x + 8x)  (40 + 120)
• 12x  160
Stepbystep explanation:
• For the first 4 weeks:
[tex]{ \tt{4(x  10)}}[/tex]
• For the next 8 weeks:
[tex]{ \tt{8(x  15)}}[/tex]
• Combine equations:
[tex]{ \tt{4(x  10) + 8(x  15)}}[/tex]
• From distribution law:
[tex]{ \tt{(4x  40) + (8x  120)}}[/tex]
• Simplify:
[tex]{ \tt{(4x + 8x)  (40 + 120) = 12x  160}} [/tex]