jaconmar0507 jaconmar0507

10-02-2020
Mathematics

contestada

Mary is 5 years older than Bob. If the sum of their ages is 39, write and solve an equation to find their ages

Respuesta :

StayAliveFren StayAliveFren

10-02-2020

Answer:

Bob is 17 years old

Mary is 22 years old

Step-by-step explanation:

Mary's current age: m

Bob's current age: b

m + b = 39

m = b + 5

Substitute.

b + 5 + b = 39

2b + 5 = 39

2b = 34

b = 17

m = 22

Answer Link

Otras preguntas

Energy is measured in units called what?

Which is not an appropriate classification for a triangle? A. right equilateral B. acute scalene C. obtuse isosceles D. right scalene

how do you graph x+2y=-4 and 4y=3x+12

I need help PLZ! If Rhoda buys 6 12-Packs of fruit snacks for $14.40,how much does each fruit snack cost?

if you had to write the Declaration if Independence in 1776, what would you include

downward measurement from a surface a. cast b. depth c. dilute d. renal

Which is not an appropriate classification for a triangle? A. right equilateral B. acute scalene C. obtuse isosceles D. right scalene

what times what equals -36 and adds up to -5

adverse a. under the tongue b. obvious, easily observed c. rounded inward d. undesired, possibly harmful

The molecules CH4 and CH3Cl both have tetrahedral shapes. Why is CH4 nonpolar whereas CH3Cl is polar?