Norma asked in Science & MathematicsMathematics · 10 months ago

Sam gets \$15 a week for allowance with an additional \$5 a week for doing laundry. In 4 weeks he has \$80.?

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• 10 months ago

Yes, true. Now he needs to invest it wisely.

Wisely is the hard part.

• David
Lv 7
10 months ago

• 10 months ago

4x (\$15/week + \$5)

= 4 x 20

= \$80 true..//

• 10 months ago

Yes, Sam is a good boy, working hard, unlike you.

(15x4+5x4 = 80)

• ?
Lv 7
10 months ago

In week#1, Sam will have \$15+\$5 = \$20

In week#2, Sam will have \$15+\$5 + savings from week#1 =

..........\$15+\$5 + \$20 =

..........\$40

In week#3, Sam will have \$15+\$5 + savings from week#2 =

..........\$15+\$5 + \$40 =

..........\$60

In week#4, Sam will have \$15+\$5 + savings from week#3 =

..........\$15+\$5 + \$60 =

..........\$80.............ANS

• Jim
Lv 7
10 months ago

4 weeks (\$20/week) = \$80

• 10 months ago

In 4 weeks he has \$80. Quite right.

• 10 months ago

Good for him. He should save his allowance.

Is there a question?