Michael paid $120 for 4 shirts and 4 ties. 3 shirts cost as much as 2 ties. How much did a shirt cost?
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Answer
Reprat
2t=3s
4t=6s
4s+4t=120
4s+6s=120
10s=120
1s=120/10=12
ans:$12
SAHMom
Just to offer pictorial solving if algebra is a little challenge for P4 kids. Can also view as a bridging tool to guide from the familiar model/pictorial presentation to algebra solving.
Personally, I faced some resistance from my child to use try to learn another method when he gets familiar (or too familiar) to one method. Then I would use chances like this to ask how he will feel if he needs to draw 10 buckets… to get the idea that it is only to one’s advantage to learn different kinds of methods and use whichever one that comes in handy.
SAHMom
Just to offer pictorial solving if algebra is a little challenge for P4 kids. Can also view as a bridging tool to guide from the familiar model/pictorial presentation to algebra solving.
Personally, I faced some resistance from my child to use try to learn another method when he gets familiar (or too familiar) to one method. Then I would use chances like this to ask how he will feel if he needs to draw 10 buckets… to get the idea that it is only to one’s advantage to learn different kinds of methods and use whichever one that comes in handy.
JamesDetwiler
Boxes A,B and C contain 360g of sand altogether. 1/6 of sand in Box A is poured into Box B. 1/3 of sand in Box B is poured into Box C. 1/5 of sand in Box C is poured into Box A. There was an equal amount of sand in each box in the end. Find the amount of sand in each box at first. acupuncture doctor near me
oceanmaze1996
Using algebra
Let t be a unit of ties and s be a unit of shirts
2t=3s
4t=6s
4s+4t=120
4s+6s=120
10s=120
1s=120/10=12
ans:$12
elitemathstudio
cost of 4 ties will be the same as 6 shirts.
10 shorts will be $120
1 shirt will be $12
DoAppliedLearning
Michael paid $120 for 4 shirts and 4 ties. 3 shirts cost as much as 2 ties. How much did a shirt cost?
EQ1: 4S + 4T = 120
EQ2: 3S -2T = 0
EQ3= EQ2*2: 6S – 4T = 0
EQ4 = EQ3 + EQ1: 10S = 120
S = 12
Acestarling