Which of the following is an example of using unit rate method of solving proportions?
If 2/3 = x/15 , 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).
b
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Social skills develop independently from other developmental areas
a. True b. False Indicate whether the statement is true or false
When participating in physical-science activities children usually have a short interest span
Indicate whether this statement is true or false.
A sloppy, messy arrangements of materials can lead to behavior problems in the children
Indicate whether the statement is true or false
Which of the following is a characteristic of authoritative parents?
a. They set standards for their children regarding expectations for future conduct. b. They emphasize respect for parents c. They are unwilling to explain to their children the reasons for expected behavior. d. They emphasize obedience from their children.