María tiene 50 dulces de chocolate, 100 dulces de coco y 90 de fresa. Si desea guardarlos en cajas que contengan el mismo número de dulces y, además, la mayor cantidad posible, ¿cuántos dulces entrarán en cada caja? ¿Cuántas cajas necesitará María?

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

step-by-step explanation:

given perimeter: 28cm

length: 9cm

atp,

2(l+w)=p of the reactangle

2(9+x)=28

18+2x=28

2x=28-18

x=10/2

x=5

therefore width is 5 cm

$9.89

step-by-step explanation:

9.90 = p x .06 x .25 (3/12 changed to a decimal)

9.90 = p x 0.015

9.90 - 0.015 = p

9.89 = p

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.