Ellie has 9 weeks to finish an 11 part project. How many parts does Ellie have to do each week?

Mathematics

1 answer:

netineya [11]2 years ago

5 0

11 divided by 9 is 1.2 repeating so Ellie will have to do about 1.3 parts a week

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Kayaks rent for $35 per day. Write an expression using the Distributive Property that can help you find the cost in dollars of r

MA_775_DIABLO [31]

Answer:

Unit rate defined as the rates are expressed as a quantity 1 such as 4 miles per hour or 3 meter per seconds.

As per the given statement:

Kayaks rent for $35 per day.

⇒Unit rate per day = $35

We have to write an expression that can help you to find the cost in dollars of renting 3 kayaks for a day:

Cost in dollars for 3 kayaks for a day = $ $3 \times 35$

The Distributive property says that:

$a\cdot (b+c) = a\cdot b+ a\cdot c$

we can write 35 as: 30 + 5

then;

$3 \times 35 = 3 \times (30+5) =(3 \times 30)+ (3 \times 5) = 90 + 15 = \$105$

Therefore, a expression that can help you to find the cost in dollars of renting 3 kayaks for a day is $(3 \times 30)+ (3 \times 5)$

8 0

2 years ago

Read 2 more answers

X:y=5:3 and x+y=56<br> what is the value off x-y

Rudiy27

$x:y=5:3\to\dfrac{x}{y}=\dfrac{5}{3}\qquad\text{cross multiply}\\\\3x=5y\qquad\text{divide both sides by 3}\\\\x=\dfrac{5}{3}y\\\\\text{substitute to the equation} \ x+y=56\\\\\dfrac{5}{3}y+y=56\\\\\dfrac{5}{3}y+\dfrac{3}{3}y=56\\\\\dfrac{5+3}{3}y=56\\\\\dfrac{8}{3}y=56\qquad\text{multiply both sides by 3}\\\\8y=3\cdot56\qquad\text{divide both sides by 8}\\\\y=3\cdot7\\\\y=21\\\\\text{substitute the value of y to the equation}\ x=\dfrac{5}{3}y\\\\x=\dfrac{5}{3}\cdot21=5\cdot7=35$