the french club is sponsoring a bake sale. if their goal is to raise at least $135, how many pastries must they sell at $3.00 ea
2 answers:
Answer:
45 or more
Step-by-step explanation:
If x is the amount of pastries they sell, we need to multiply it by $3.00 to know how much they raise. Total earnings: $3.00x
They need to raise at least $135, that is $135 or more.
So, $3.00x has to be greater than $135 or equal.
Written as an inequality is:
$3.00x $135
We divide both sides by $3.00 and we have:
x $135/$3.00 = 45
Therefore, they need to sell 45 or more pastries to meet the goal.
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Using proportions, it is found that:
- Peter is walking at a rate of 3 km/h.
- MJ is biking at a rate of 9 km/h.
---------------------------
- Peter is walking at a rate of x km/h.
- MJ is biking 6 km/h faster than Peter, thus 6 + x km/h.
- Opposite directions, thus, their distance increases at a rate of (6 + 2x) km each hour, as
.
6 + 2x km each hour, 18 km after 1.5 hours, thus, the rule of three is:
1h - (6 + 2x) km
1.5h - 18 km
Applying cross multiplication:
Then:
- Peter is walking at a rate of 3 km/h.
- MJ is biking at a rate of 9 km/h.
A similar problem is given at brainly.com/question/24112433