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Author Question: Which of the following is an example of usingunit ratemethod of solving proportions? (Read 20 times)

nenivikky

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on: Feb 18, 2021
Which of the following is an example of using unit rate method of solving proportions?
◦ If  = , find the cross products, 30 = 3x, and then solve for x. x = 10.
◦ Allison bought 3 pairs of socks for $12. To find out how much 10 pairs cost, find that $12 divided by 3 is $4 a pair, and multiply $4 by 10 for a total of $40.
◦ A square with a length of 2 inches was enlarged by a scale factor of 4 and is now 8 inches long.
◦ If 5 candy bars cost $4.50, then 10 would cost $9. (Because 5 × 2 = 10, multiply $4.50 by 2).
Elementary and Middle School Mathematics: Teaching Developmentally ¦ Van de Walle, Karp, Bay-Williams ¦ 10th Edition
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Marked as best answer by nenivikky on Feb 18, 2021

rekilledagain

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Reply #1 on: Feb 18, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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nenivikky

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Reply 2 on: Feb 18, 2021
YES! Correct, THANKS for helping me on my review

shailee

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Reply 3 on: Yesterday
Gracias!

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