a string of length 60 cm is used to form two equal circles. what wil the total circumference of the two equal circles ?​

Step-by-step explanation:

I don't know what other answer there could be but 60 cm. The circles have to have the same radius and the same circumference. They were made from a 50 cm string so their total must be 60 cm.

Is there a trick I don't see? Hope not?

36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls

x=-7

step-by-step explanation:

x+3=-10

-10+3=-7

x=-7