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شائع Word Problems >

Marissa drives for 3hours at 60km per hour. Maricel drives 260kilometers in 4hours. How far would Marissa travel if she drove for 3hours at the same speed as Maricel

الحلّ

M a r i ss a d r i v es f or 3 h o u rs a t 60 km p er h o u r . M a r i ce l d r i v es 260 ki l o m e t ers in 4 h o u rs . Ho w f a r w o u l d M a r i ss a t r a v e l i f s h e d ro v e f or 3 h o u rs a t t h e s am e s p ee d a s M a r i ce l

الحلّ

trip 2 distance : 195

خطوات الحلّ

Given Time:

trip 1 : 4

trip 2 : 3

Given Distance:

trip 1 : 260

Represent the speed in terms of

x :

trip 1 : x

trip 1 Speed x Time 4 Distance 260

Write an equation for trip 1Distance = Speed

\cdot

Time

260 = x \cdot 4

260 = x \cdot 4, x

حلّ لـ:

x = 65

speed : 65

Represent the distance in terms of

y :

trip 2 : y

trip 2 Speed 65 Time 3 Distance y

Write an equation for trip 2Distance = Speed

\cdot

Time

y = 65 \cdot 3

y = 65 \cdot 3, y

حلّ لـ:

y = 195

trip 2 distance : 195

أمثلة شائعة

The product of two consecutive positive odd integers is 35. Find the value of the greater integer the sum of ten and quotient of a number and 3 is equal to the difference between twice the number and 5 Find the compound amount for the deposit and the amount of interested earned.\15, 000 at %5 compounded monthly for 18 years. The compound amount after 18 years is\$Bonnie is saving up money to buy a car. Bonnie puts 10,000.00 into an account which earns 9% interest, compounded annually. How much will she have in the account after 9 years?Find the future value and interest earned if 8704.56 is invested for 7 years at 6% compounded continuously